31397436

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 144

約数和(自身を含む): 100548000

約数和(自身を除く): 69150564

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, 349, 357, 378, 441, 459, 476, 588, 612, 698, 714, 756, 833, 882, 918, 1047, 1071, 1323, 1396, 1428, 1666, 1764, 1836, 2094, 2142, 2443, 2499, 2646, 3141, 3213, 3332, 4188, 4284, 4886, 4998, 5292, 5933, 6282, 6426, 7329, 7497, 9423, 9772, 9996, 11866, 12564, 12852, 14658, 14994, 17101, 17799, 18846, 21987, 22491, 23732, 29316, 29988, 34202, 35598, 37692, 41531, 43974, 44982, 51303, 53397, 65961, 68404, 71196, 83062, 87948, 89964, 102606, 106794, 124593, 131922, 153909, 160191, 166124, 205212, 213588, 249186, 263844, 290717, 307818, 320382, 373779, 461727, 498372, 581434, 615636, 640764, 747558, 872151, 923454, 1121337, 1162868, 1495116, 1744302, 1846908, 2242674, 2616453, 3488604, 4485348, 5232906, 7849359, 10465812, 15698718, 31397436]

約数ペア:

[(1, 31397436), (2, 15698718), (3, 10465812), (4, 7849359), (6, 5232906), (7, 4485348), (9, 3488604), (12, 2616453), (14, 2242674), (17, 1846908), (18, 1744302), (21, 1495116), (27, 1162868), (28, 1121337), (34, 923454), (36, 872151), (42, 747558), (49, 640764), (51, 615636), (54, 581434), (63, 498372), (68, 461727), (84, 373779), (98, 320382), (102, 307818), (108, 290717), (119, 263844), (126, 249186), (147, 213588), (153, 205212), (189, 166124), (196, 160191), (204, 153909), (238, 131922), (252, 124593), (294, 106794), (306, 102606), (349, 89964), (357, 87948), (378, 83062), (441, 71196), (459, 68404), (476, 65961), (588, 53397), (612, 51303), (698, 44982), (714, 43974), (756, 41531), (833, 37692), (882, 35598), (918, 34202), (1047, 29988), (1071, 29316), (1323, 23732), (1396, 22491), (1428, 21987), (1666, 18846), (1764, 17799), (1836, 17101), (2094, 14994), (2142, 14658), (2443, 12852), (2499, 12564), (2646, 11866), (3141, 9996), (3213, 9772), (3332, 9423), (4188, 7497), (4284, 7329), (4886, 6426), (4998, 6282), (5292, 5933)]