2196225

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 4042896

約数和(自身を除く): 1846671

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 227, 387, 645, 681, 1075, 1135, 1935, 2043, 3225, 3405, 5675, 9675, 9761, 10215, 17025, 29283, 48805, 51075, 87849, 146415, 244025, 439245, 732075, 2196225]

約数ペア:

[(1, 2196225), (3, 732075), (5, 439245), (9, 244025), (15, 146415), (25, 87849), (43, 51075), (45, 48805), (75, 29283), (129, 17025), (215, 10215), (225, 9761), (227, 9675), (387, 5675), (645, 3405), (681, 3225), (1075, 2043), (1135, 1935)]