79920675

素因数分解:

$3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:730

約数の個数: 60

約数和(自身を含む): 150700176

約数和(自身を除く): 70779501

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 183, 225, 305, 405, 549, 647, 675, 915, 1525, 1647, 1941, 2025, 2745, 3235, 4575, 4941, 5823, 8235, 9705, 13725, 16175, 17469, 24705, 29115, 39467, 41175, 48525, 52407, 87345, 118401, 123525, 145575, 197335, 262035, 355203, 436725, 592005, 986675, 1065609, 1310175, 1776015, 2960025, 3196827, 5328045, 8880075, 15984135, 26640225, 79920675]

約数ペア:

[(1, 79920675), (3, 26640225), (5, 15984135), (9, 8880075), (15, 5328045), (25, 3196827), (27, 2960025), (45, 1776015), (61, 1310175), (75, 1065609), (81, 986675), (135, 592005), (183, 436725), (225, 355203), (305, 262035), (405, 197335), (549, 145575), (647, 123525), (675, 118401), (915, 87345), (1525, 52407), (1647, 48525), (1941, 41175), (2025, 39467), (2745, 29115), (3235, 24705), (4575, 17469), (4941, 16175), (5823, 13725), (8235, 9705)]