655155

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 1221120

約数和(自身を除く): 565965

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 211, 345, 621, 633, 1035, 1055, 1899, 3105, 3165, 4853, 5697, 9495, 14559, 24265, 28485, 43677, 72795, 131031, 218385, 655155]

約数ペア:

[(1, 655155), (3, 218385), (5, 131031), (9, 72795), (15, 43677), (23, 28485), (27, 24265), (45, 14559), (69, 9495), (115, 5697), (135, 4853), (207, 3165), (211, 3105), (345, 1899), (621, 1055), (633, 1035)]