8921991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13457}}^1$

素因数の和:13490

約数の個数: 16

約数和(自身を含む): 13565664

約数和(自身を除く): 4643673

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 13457, 40371, 174941, 228769, 524823, 686307, 2973997, 8921991]

約数ペア:

[(1, 8921991), (3, 2973997), (13, 686307), (17, 524823), (39, 228769), (51, 174941), (221, 40371), (663, 13457)]