645624675

素因数分解:

$3^4\times 5^2\times {\mathrm{277}}^1\times {\mathrm{1151}}^1$

素因数の和:1450

約数の個数: 60

約数和(自身を含む): 1201280256

約数和(自身を除く): 555655581

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 277, 405, 675, 831, 1151, 1385, 2025, 2493, 3453, 4155, 5755, 6925, 7479, 10359, 12465, 17265, 20775, 22437, 28775, 31077, 37395, 51795, 62325, 86325, 93231, 112185, 155385, 186975, 258975, 318827, 466155, 560925, 776925, 956481, 1594135, 2330775, 2869443, 4782405, 7970675, 8608329, 14347215, 23912025, 25824987, 43041645, 71736075, 129124935, 215208225, 645624675]

約数ペア:

[(1, 645624675), (3, 215208225), (5, 129124935), (9, 71736075), (15, 43041645), (25, 25824987), (27, 23912025), (45, 14347215), (75, 8608329), (81, 7970675), (135, 4782405), (225, 2869443), (277, 2330775), (405, 1594135), (675, 956481), (831, 776925), (1151, 560925), (1385, 466155), (2025, 318827), (2493, 258975), (3453, 186975), (4155, 155385), (5755, 112185), (6925, 93231), (7479, 86325), (10359, 62325), (12465, 51795), (17265, 37395), (20775, 31077), (22437, 28775)]