212892015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{2707}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 400090752

約数和(自身を除く): 187198737

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 107, 147, 245, 321, 535, 735, 749, 1605, 2247, 2707, 3745, 5243, 8121, 11235, 13535, 15729, 18949, 26215, 40605, 56847, 78645, 94745, 132643, 284235, 289649, 397929, 663215, 868947, 1448245, 1989645, 2027543, 4344735, 6082629, 10137715, 14192801, 30413145, 42578403, 70964005, 212892015]

約数ペア:

[(1, 212892015), (3, 70964005), (5, 42578403), (7, 30413145), (15, 14192801), (21, 10137715), (35, 6082629), (49, 4344735), (105, 2027543), (107, 1989645), (147, 1448245), (245, 868947), (321, 663215), (535, 397929), (735, 289649), (749, 284235), (1605, 132643), (2247, 94745), (2707, 78645), (3745, 56847), (5243, 40605), (8121, 26215), (11235, 18949), (13535, 15729)]