17849955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 30781440

約数和(自身を除く): 12931485

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1669, 2139, 3565, 5007, 8345, 10695, 25035, 38387, 51739, 115161, 155217, 191935, 258695, 575805, 776085, 1189997, 3569991, 5949985, 17849955]

約数ペア:

[(1, 17849955), (3, 5949985), (5, 3569991), (15, 1189997), (23, 776085), (31, 575805), (69, 258695), (93, 191935), (115, 155217), (155, 115161), (345, 51739), (465, 38387), (713, 25035), (1669, 10695), (2139, 8345), (3565, 5007)]