9993191

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 16

約数和(自身を含む): 11251968

約数和(自身を除く): 1258777

約数列:

[1, 13, 31, 137, 181, 403, 1781, 2353, 4247, 5611, 24797, 55211, 72943, 322361, 768707, 9993191]

約数ペア:

[(1, 9993191), (13, 768707), (31, 322361), (137, 72943), (181, 55211), (403, 24797), (1781, 5611), (2353, 4247)]