13905207

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 21294000

約数和(自身を除く): 7388793

約数列:

[1, 3, 9, 19, 57, 171, 233, 349, 699, 1047, 2097, 3141, 4427, 6631, 13281, 19893, 39843, 59679, 81317, 243951, 731853, 1545023, 4635069, 13905207]

約数ペア:

[(1, 13905207), (3, 4635069), (9, 1545023), (19, 731853), (57, 243951), (171, 81317), (233, 59679), (349, 39843), (699, 19893), (1047, 13281), (2097, 6631), (3141, 4427)]