201665955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{12437}}^1$

素因数の和:12515

約数の個数: 32

約数和(自身を含む): 343885824

約数和(自身を除く): 142219869

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 12437, 16215, 37311, 62185, 186555, 286051, 584539, 858153, 1430255, 1753617, 2922695, 4290765, 8768085, 13444397, 40333191, 67221985, 201665955]

約数ペア:

[(1, 201665955), (3, 67221985), (5, 40333191), (15, 13444397), (23, 8768085), (47, 4290765), (69, 2922695), (115, 1753617), (141, 1430255), (235, 858153), (345, 584539), (705, 286051), (1081, 186555), (3243, 62185), (5405, 37311), (12437, 16215)]