16638705

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7867}}^1$

素因数の和:7925

約数の個数: 24

約数和(自身を含む): 29457792

約数和(自身を除く): 12819087

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 7867, 23601, 39335, 70803, 118005, 354015, 369749, 1109247, 1848745, 3327741, 5546235, 16638705]

約数ペア:

[(1, 16638705), (3, 5546235), (5, 3327741), (9, 1848745), (15, 1109247), (45, 369749), (47, 354015), (141, 118005), (235, 70803), (423, 39335), (705, 23601), (2115, 7867)]