2728908

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 144

約数和(自身を含む): 9172800

約数和(自身を除く): 6443892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 28, 34, 36, 39, 42, 49, 51, 52, 63, 68, 78, 84, 91, 98, 102, 117, 119, 126, 147, 153, 156, 182, 196, 204, 221, 234, 238, 252, 273, 294, 306, 343, 357, 364, 441, 442, 468, 476, 546, 588, 612, 637, 663, 686, 714, 819, 833, 882, 884, 1029, 1071, 1092, 1274, 1326, 1372, 1428, 1547, 1638, 1666, 1764, 1911, 1989, 2058, 2142, 2499, 2548, 2652, 3087, 3094, 3276, 3332, 3822, 3978, 4116, 4284, 4459, 4641, 4998, 5733, 5831, 6174, 6188, 7497, 7644, 7956, 8918, 9282, 9996, 10829, 11466, 11662, 12348, 13377, 13923, 14994, 17493, 17836, 18564, 21658, 22932, 23324, 26754, 27846, 29988, 32487, 34986, 40131, 43316, 52479, 53508, 55692, 64974, 69972, 75803, 80262, 97461, 104958, 129948, 151606, 160524, 194922, 209916, 227409, 303212, 389844, 454818, 682227, 909636, 1364454, 2728908]

約数ペア:

[(1, 2728908), (2, 1364454), (3, 909636), (4, 682227), (6, 454818), (7, 389844), (9, 303212), (12, 227409), (13, 209916), (14, 194922), (17, 160524), (18, 151606), (21, 129948), (26, 104958), (28, 97461), (34, 80262), (36, 75803), (39, 69972), (42, 64974), (49, 55692), (51, 53508), (52, 52479), (63, 43316), (68, 40131), (78, 34986), (84, 32487), (91, 29988), (98, 27846), (102, 26754), (117, 23324), (119, 22932), (126, 21658), (147, 18564), (153, 17836), (156, 17493), (182, 14994), (196, 13923), (204, 13377), (221, 12348), (234, 11662), (238, 11466), (252, 10829), (273, 9996), (294, 9282), (306, 8918), (343, 7956), (357, 7644), (364, 7497), (441, 6188), (442, 6174), (468, 5831), (476, 5733), (546, 4998), (588, 4641), (612, 4459), (637, 4284), (663, 4116), (686, 3978), (714, 3822), (819, 3332), (833, 3276), (882, 3094), (884, 3087), (1029, 2652), (1071, 2548), (1092, 2499), (1274, 2142), (1326, 2058), (1372, 1989), (1428, 1911), (1547, 1764), (1638, 1666)]