13259715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 11125821

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 293, 431, 879, 1293, 1465, 2051, 2155, 3017, 4395, 6153, 6465, 9051, 10255, 15085, 30765, 45255, 126283, 378849, 631415, 883981, 1894245, 2651943, 4419905, 13259715]

約数ペア:

[(1, 13259715), (3, 4419905), (5, 2651943), (7, 1894245), (15, 883981), (21, 631415), (35, 378849), (105, 126283), (293, 45255), (431, 30765), (879, 15085), (1293, 10255), (1465, 9051), (2051, 6465), (2155, 6153), (3017, 4395)]