168398415

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79621}}^1$

素因数の和:79679

約数の個数: 24

約数和(自身を含む): 298104768

約数和(自身を除く): 129706353

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 79621, 238863, 398105, 716589, 1194315, 3582945, 3742187, 11226561, 18710935, 33679683, 56132805, 168398415]

約数ペア:

[(1, 168398415), (3, 56132805), (5, 33679683), (9, 18710935), (15, 11226561), (45, 3742187), (47, 3582945), (141, 1194315), (235, 716589), (423, 398105), (705, 238863), (2115, 79621)]