28553997

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 38804480

約数和(自身を除く): 10250483

約数列:

[1, 3, 79, 211, 237, 571, 633, 1713, 16669, 45109, 50007, 120481, 135327, 361443, 9517999, 28553997]

約数ペア:

[(1, 28553997), (3, 9517999), (79, 361443), (211, 135327), (237, 120481), (571, 50007), (633, 45109), (1713, 16669)]