299991993

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{857}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 465653760

約数和(自身を除く): 165661767

約数列:

[1, 3, 7, 21, 79, 211, 237, 553, 633, 857, 1477, 1659, 2571, 4431, 5999, 16669, 17997, 50007, 67703, 116683, 180827, 203109, 350049, 473921, 542481, 1265789, 1421763, 3797367, 14285333, 42855999, 99997331, 299991993]

約数ペア:

[(1, 299991993), (3, 99997331), (7, 42855999), (21, 14285333), (79, 3797367), (211, 1421763), (237, 1265789), (553, 542481), (633, 473921), (857, 350049), (1477, 203109), (1659, 180827), (2571, 116683), (4431, 67703), (5999, 50007), (16669, 17997)]