2970225

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 36

約数和(自身を含む): 5461456

約数和(自身を除く): 2491231

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 307, 387, 645, 921, 1075, 1535, 1935, 2763, 3225, 4605, 7675, 9675, 13201, 13815, 23025, 39603, 66005, 69075, 118809, 198015, 330025, 594045, 990075, 2970225]

約数ペア:

[(1, 2970225), (3, 990075), (5, 594045), (9, 330025), (15, 198015), (25, 118809), (43, 69075), (45, 66005), (75, 39603), (129, 23025), (215, 13815), (225, 13201), (307, 9675), (387, 7675), (645, 4605), (921, 3225), (1075, 2763), (1535, 1935)]