1389188025

素因数分解:

$3^2\times 5^2\times {\mathrm{1867}}^1\times {\mathrm{3307}}^1$

素因数の和:5190

約数の個数: 36

約数和(自身を含む): 2490275632

約数和(自身を除く): 1101087607

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 1867, 3307, 5601, 9335, 9921, 16535, 16803, 28005, 29763, 46675, 49605, 82675, 84015, 140025, 148815, 248025, 420075, 744075, 6174169, 18522507, 30870845, 55567521, 92612535, 154354225, 277837605, 463062675, 1389188025]

約数ペア:

[(1, 1389188025), (3, 463062675), (5, 277837605), (9, 154354225), (15, 92612535), (25, 55567521), (45, 30870845), (75, 18522507), (225, 6174169), (1867, 744075), (3307, 420075), (5601, 248025), (9335, 148815), (9921, 140025), (16535, 84015), (16803, 82675), (28005, 49605), (29763, 46675)]