220142025

素因数分解:

$3^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{3187}}^1$

素因数の和:3510

約数の個数: 36

約数和(自身を含む): 395707312

約数和(自身を除く): 175565287

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 307, 921, 1535, 2763, 3187, 4605, 7675, 9561, 13815, 15935, 23025, 28683, 47805, 69075, 79675, 143415, 239025, 717075, 978409, 2935227, 4892045, 8805681, 14676135, 24460225, 44028405, 73380675, 220142025]

約数ペア:

[(1, 220142025), (3, 73380675), (5, 44028405), (9, 24460225), (15, 14676135), (25, 8805681), (45, 4892045), (75, 2935227), (225, 978409), (307, 717075), (921, 239025), (1535, 143415), (2763, 79675), (3187, 69075), (4605, 47805), (7675, 28683), (9561, 23025), (13815, 15935)]