157213989

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{3457}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 235918592

約数和(自身を除く): 78704603

約数列:

[1, 3, 9, 31, 93, 163, 279, 489, 1467, 3457, 5053, 10371, 15159, 31113, 45477, 107167, 321501, 563491, 964503, 1690473, 5071419, 17468221, 52404663, 157213989]

約数ペア:

[(1, 157213989), (3, 52404663), (9, 17468221), (31, 5071419), (93, 1690473), (163, 964503), (279, 563491), (489, 321501), (1467, 107167), (3457, 45477), (5053, 31113), (10371, 15159)]