81980142

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{2617}}^1$

素因数の和:2872

約数の個数: 32

約数和(自身を含む): 171908352

約数和(自身を除く): 89928210

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 227, 454, 681, 1362, 2617, 5221, 5234, 7851, 10442, 15663, 15702, 31326, 60191, 120382, 180573, 361146, 594059, 1188118, 1782177, 3564354, 13663357, 27326714, 40990071, 81980142]

約数ペア:

[(1, 81980142), (2, 40990071), (3, 27326714), (6, 13663357), (23, 3564354), (46, 1782177), (69, 1188118), (138, 594059), (227, 361146), (454, 180573), (681, 120382), (1362, 60191), (2617, 31326), (5221, 15702), (5234, 15663), (7851, 10442)]