31223829

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16339}}^1$

素因数の和:16369

約数の個数: 24

約数和(自身を含む): 52157280

約数和(自身を除く): 20933451

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 16339, 49017, 114373, 212407, 343119, 637221, 800611, 1486849, 2401833, 4460547, 10407943, 31223829]

約数ペア:

[(1, 31223829), (3, 10407943), (7, 4460547), (13, 2401833), (21, 1486849), (39, 800611), (49, 637221), (91, 343119), (147, 212407), (273, 114373), (637, 49017), (1911, 16339)]