31386147

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 46663680

約数和(自身を除く): 15277533

約数列:

[1, 3, 13, 39, 61, 79, 167, 183, 237, 501, 793, 1027, 2171, 2379, 3081, 4819, 6513, 10187, 13193, 14457, 30561, 39579, 62647, 132431, 171509, 187941, 397293, 514527, 804773, 2414319, 10462049, 31386147]

約数ペア:

[(1, 31386147), (3, 10462049), (13, 2414319), (39, 804773), (61, 514527), (79, 397293), (167, 187941), (183, 171509), (237, 132431), (501, 62647), (793, 39579), (1027, 30561), (2171, 14457), (2379, 13193), (3081, 10187), (4819, 6513)]