90213885

素因数分解:

$3^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1361}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 160824960

約数和(自身を除く): 70611075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 491, 1361, 1473, 2455, 4083, 4419, 6805, 7365, 12249, 13257, 20415, 22095, 36747, 61245, 66285, 183735, 668251, 2004753, 3341255, 6014259, 10023765, 18042777, 30071295, 90213885]

約数ペア:

[(1, 90213885), (3, 30071295), (5, 18042777), (9, 10023765), (15, 6014259), (27, 3341255), (45, 2004753), (135, 668251), (491, 183735), (1361, 66285), (1473, 61245), (2455, 36747), (4083, 22095), (4419, 20415), (6805, 13257), (7365, 12249)]