231566205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{62501}}^1$

素因数の和:62541

約数の個数: 32

約数和(自身を含む): 420013440

約数和(自身を除く): 188447235

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 62501, 187503, 312505, 812513, 937515, 1187519, 2437539, 3562557, 4062565, 5937595, 12187695, 15437747, 17812785, 46313241, 77188735, 231566205]

約数ペア:

[(1, 231566205), (3, 77188735), (5, 46313241), (13, 17812785), (15, 15437747), (19, 12187695), (39, 5937595), (57, 4062565), (65, 3562557), (95, 2437539), (195, 1187519), (247, 937515), (285, 812513), (741, 312505), (1235, 187503), (3705, 62501)]