389619387

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{2081}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 572933088

約数和(自身を除く): 183313701

約数列:

[1, 3, 9, 71, 213, 293, 639, 879, 2081, 2637, 6243, 18729, 20803, 62409, 147751, 187227, 443253, 609733, 1329759, 1829199, 5487597, 43291043, 129873129, 389619387]

約数ペア:

[(1, 389619387), (3, 129873129), (9, 43291043), (71, 5487597), (213, 1829199), (293, 1329759), (639, 609733), (879, 443253), (2081, 187227), (2637, 147751), (6243, 62409), (18729, 20803)]