220159779

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 340623360

約数和(自身を除く): 120463581

約数列:

[1, 3, 7, 21, 131, 191, 393, 419, 573, 917, 1257, 1337, 2751, 2933, 4011, 8799, 25021, 54889, 75063, 80029, 164667, 175147, 240087, 384223, 525441, 560203, 1152669, 1680609, 10483799, 31451397, 73386593, 220159779]

約数ペア:

[(1, 220159779), (3, 73386593), (7, 31451397), (21, 10483799), (131, 1680609), (191, 1152669), (393, 560203), (419, 525441), (573, 384223), (917, 240087), (1257, 175147), (1337, 164667), (2751, 80029), (2933, 75063), (4011, 54889), (8799, 25021)]