78801789

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 117411840

約数和(自身を除く): 38610051

約数列:

[1, 3, 11, 33, 79, 167, 181, 237, 501, 543, 869, 1837, 1991, 2607, 5511, 5973, 13193, 14299, 30227, 39579, 42897, 90681, 145123, 157289, 332497, 435369, 471867, 997491, 2387933, 7163799, 26267263, 78801789]

約数ペア:

[(1, 78801789), (3, 26267263), (11, 7163799), (33, 2387933), (79, 997491), (167, 471867), (181, 435369), (237, 332497), (501, 157289), (543, 145123), (869, 90681), (1837, 42897), (1991, 39579), (2607, 30227), (5511, 14299), (5973, 13193)]