81568278

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2250

約数の個数: 72

約数和(自身を含む): 205778664

約数和(自身を除く): 124210386

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 121, 153, 187, 198, 242, 306, 363, 374, 561, 726, 1089, 1122, 1683, 2057, 2178, 2203, 3366, 4114, 4406, 6171, 6609, 12342, 13218, 18513, 19827, 24233, 37026, 37451, 39654, 48466, 72699, 74902, 112353, 145398, 218097, 224706, 266563, 337059, 411961, 436194, 533126, 674118, 799689, 823922, 1235883, 1599378, 2399067, 2471766, 3707649, 4531571, 4798134, 7415298, 9063142, 13594713, 27189426, 40784139, 81568278]

約数ペア:

[(1, 81568278), (2, 40784139), (3, 27189426), (6, 13594713), (9, 9063142), (11, 7415298), (17, 4798134), (18, 4531571), (22, 3707649), (33, 2471766), (34, 2399067), (51, 1599378), (66, 1235883), (99, 823922), (102, 799689), (121, 674118), (153, 533126), (187, 436194), (198, 411961), (242, 337059), (306, 266563), (363, 224706), (374, 218097), (561, 145398), (726, 112353), (1089, 74902), (1122, 72699), (1683, 48466), (2057, 39654), (2178, 37451), (2203, 37026), (3366, 24233), (4114, 19827), (4406, 18513), (6171, 13218), (6609, 12342)]