15678320217

素因数分解:

$3^1\times 7^1\times {\mathrm{9803}}^1\times {\mathrm{76159}}^1$

素因数の和:85972

約数の個数: 16

約数和(自身を含む): 23893524480

約数和(自身を除く): 8215204263

約数列:

[1, 3, 7, 21, 9803, 29409, 68621, 76159, 205863, 228477, 533113, 1599339, 746586677, 2239760031, 5226106739, 15678320217]

約数ペア:

[(1, 15678320217), (3, 5226106739), (7, 2239760031), (21, 746586677), (9803, 1599339), (29409, 533113), (68621, 228477), (76159, 205863)]