840807225

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{61261}}^1$

素因数の和:61338

約数の個数: 36

約数和(自身を含む): 1530692332

約数和(自身を除く): 689885107

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1525, 2745, 4575, 13725, 61261, 183783, 306305, 551349, 918915, 1531525, 2756745, 3736921, 4594575, 11210763, 13783725, 18684605, 33632289, 56053815, 93423025, 168161445, 280269075, 840807225]

約数ペア:

[(1, 840807225), (3, 280269075), (5, 168161445), (9, 93423025), (15, 56053815), (25, 33632289), (45, 18684605), (61, 13783725), (75, 11210763), (183, 4594575), (225, 3736921), (305, 2756745), (549, 1531525), (915, 918915), (1525, 551349), (2745, 306305), (4575, 183783), (13725, 61261)]