56942781

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 88897536

約数和(自身を除く): 31954755

約数列:

[1, 3, 7, 21, 71, 181, 211, 213, 497, 543, 633, 1267, 1477, 1491, 3801, 4431, 12851, 14981, 38191, 38553, 44943, 89957, 104867, 114573, 267337, 269871, 314601, 802011, 2711561, 8134683, 18980927, 56942781]

約数ペア:

[(1, 56942781), (3, 18980927), (7, 8134683), (21, 2711561), (71, 802011), (181, 314601), (211, 269871), (213, 267337), (497, 114573), (543, 104867), (633, 89957), (1267, 44943), (1477, 38553), (1491, 38191), (3801, 14981), (4431, 12851)]