31129995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 53932032

約数和(自身を除く): 22802037

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 263, 607, 789, 1315, 1821, 3035, 3419, 3945, 7891, 9105, 10257, 17095, 23673, 39455, 51285, 118365, 159641, 478923, 798205, 2075333, 2394615, 6225999, 10376665, 31129995]

約数ペア:

[(1, 31129995), (3, 10376665), (5, 6225999), (13, 2394615), (15, 2075333), (39, 798205), (65, 478923), (195, 159641), (263, 118365), (607, 51285), (789, 39455), (1315, 23673), (1821, 17095), (3035, 10257), (3419, 9105), (3945, 7891)]