90999849

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 129761280

約数和(自身を除く): 38761431

約数列:

[1, 3, 31, 47, 93, 109, 141, 191, 327, 573, 1457, 3379, 4371, 5123, 5921, 8977, 10137, 15369, 17763, 20819, 26931, 62457, 158813, 278287, 476439, 645389, 834861, 978493, 1936167, 2935479, 30333283, 90999849]

約数ペア:

[(1, 90999849), (3, 30333283), (31, 2935479), (47, 1936167), (93, 978493), (109, 834861), (141, 645389), (191, 476439), (327, 278287), (573, 158813), (1457, 62457), (3379, 26931), (4371, 20819), (5123, 17763), (5921, 15369), (8977, 10137)]