68938515

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21577}}^1$

素因数の和:21659

約数の個数: 24

約数和(自身を含む): 121182048

約数和(自身を除く): 52243533

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 21577, 64731, 107885, 194193, 323655, 970965, 1531967, 4595901, 7659835, 13787703, 22979505, 68938515]

約数ペア:

[(1, 68938515), (3, 22979505), (5, 13787703), (9, 7659835), (15, 4595901), (45, 1531967), (71, 970965), (213, 323655), (355, 194193), (639, 107885), (1065, 64731), (3195, 21577)]