72221981

素因数分解:

${\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:573

約数の個数: 16

約数和(自身を含む): 79511040

約数和(自身を除く): 7289059

約数列:

[1, 13, 71, 169, 463, 923, 2197, 6019, 11999, 32873, 78247, 155987, 427349, 1017211, 5555537, 72221981]

約数ペア:

[(1, 72221981), (13, 5555537), (71, 1017211), (169, 427349), (463, 155987), (923, 78247), (2197, 32873), (6019, 11999)]