81957204

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:955

約数の個数: 144

約数和(自身を含む): 261999360

約数和(自身を除く): 180042156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 84, 98, 102, 108, 119, 126, 147, 153, 189, 196, 204, 238, 252, 294, 306, 357, 378, 441, 459, 476, 588, 612, 714, 756, 833, 882, 911, 918, 1071, 1323, 1428, 1666, 1764, 1822, 1836, 2142, 2499, 2646, 2733, 3213, 3332, 3644, 4284, 4998, 5292, 5466, 6377, 6426, 7497, 8199, 9996, 10932, 12754, 12852, 14994, 15487, 16398, 19131, 22491, 24597, 25508, 29988, 30974, 32796, 38262, 44639, 44982, 46461, 49194, 57393, 61948, 76524, 89278, 89964, 92922, 98388, 108409, 114786, 133917, 139383, 172179, 178556, 185844, 216818, 229572, 267834, 278766, 325227, 344358, 401751, 418149, 433636, 535668, 557532, 650454, 688716, 758863, 803502, 836298, 975681, 1205253, 1300908, 1517726, 1607004, 1672596, 1951362, 2276589, 2410506, 2927043, 3035452, 3902724, 4553178, 4821012, 5854086, 6829767, 9106356, 11708172, 13659534, 20489301, 27319068, 40978602, 81957204]

約数ペア:

[(1, 81957204), (2, 40978602), (3, 27319068), (4, 20489301), (6, 13659534), (7, 11708172), (9, 9106356), (12, 6829767), (14, 5854086), (17, 4821012), (18, 4553178), (21, 3902724), (27, 3035452), (28, 2927043), (34, 2410506), (36, 2276589), (42, 1951362), (49, 1672596), (51, 1607004), (54, 1517726), (63, 1300908), (68, 1205253), (84, 975681), (98, 836298), (102, 803502), (108, 758863), (119, 688716), (126, 650454), (147, 557532), (153, 535668), (189, 433636), (196, 418149), (204, 401751), (238, 344358), (252, 325227), (294, 278766), (306, 267834), (357, 229572), (378, 216818), (441, 185844), (459, 178556), (476, 172179), (588, 139383), (612, 133917), (714, 114786), (756, 108409), (833, 98388), (882, 92922), (911, 89964), (918, 89278), (1071, 76524), (1323, 61948), (1428, 57393), (1666, 49194), (1764, 46461), (1822, 44982), (1836, 44639), (2142, 38262), (2499, 32796), (2646, 30974), (2733, 29988), (3213, 25508), (3332, 24597), (3644, 22491), (4284, 19131), (4998, 16398), (5292, 15487), (5466, 14994), (6377, 12852), (6426, 12754), (7497, 10932), (8199, 9996)]