72189855

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51749}}^1$

素因数の和:51791

約数の個数: 24

約数和(自身を含む): 129168000

約数和(自身を除く): 56978145

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 51749, 155247, 258745, 465741, 776235, 1604219, 2328705, 4812657, 8021095, 14437971, 24063285, 72189855]

約数ペア:

[(1, 72189855), (3, 24063285), (5, 14437971), (9, 8021095), (15, 4812657), (31, 2328705), (45, 1604219), (93, 776235), (155, 465741), (279, 258745), (465, 155247), (1395, 51749)]