161520237

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 253693440

約数和(自身を除く): 92173203

約数列:

[1, 3, 9, 23, 27, 69, 81, 181, 207, 479, 543, 621, 1437, 1629, 1863, 4163, 4311, 4887, 11017, 12489, 12933, 14661, 33051, 37467, 38799, 86699, 99153, 112401, 260097, 297459, 337203, 780291, 892377, 1994077, 2340873, 5982231, 7022619, 17946693, 53840079, 161520237]

約数ペア:

[(1, 161520237), (3, 53840079), (9, 17946693), (23, 7022619), (27, 5982231), (69, 2340873), (81, 1994077), (181, 892377), (207, 780291), (479, 337203), (543, 297459), (621, 260097), (1437, 112401), (1629, 99153), (1863, 86699), (4163, 38799), (4311, 37467), (4887, 33051), (11017, 14661), (12489, 12933)]