87211173

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1279}}^1$

素因数の和:1497

約数の個数: 32

約数和(自身を含む): 141557760

約数和(自身を除く): 54346587

約数列:

[1, 3, 7, 17, 21, 51, 119, 191, 357, 573, 1279, 1337, 3247, 3837, 4011, 8953, 9741, 21743, 22729, 26859, 65229, 68187, 152201, 244289, 456603, 732867, 1710023, 4152913, 5130069, 12458739, 29070391, 87211173]

約数ペア:

[(1, 87211173), (3, 29070391), (7, 12458739), (17, 5130069), (21, 4152913), (51, 1710023), (119, 732867), (191, 456603), (357, 244289), (573, 152201), (1279, 68187), (1337, 65229), (3247, 26859), (3837, 22729), (4011, 21743), (8953, 9741)]