78769815

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 129862656

約数和(自身を除く): 51092841

約数列:

[1, 3, 5, 15, 41, 123, 205, 263, 487, 615, 789, 1315, 1461, 2435, 3945, 7305, 10783, 19967, 32349, 53915, 59901, 99835, 128081, 161745, 299505, 384243, 640405, 1921215, 5251321, 15753963, 26256605, 78769815]

約数ペア:

[(1, 78769815), (3, 26256605), (5, 15753963), (15, 5251321), (41, 1921215), (123, 640405), (205, 384243), (263, 299505), (487, 161745), (615, 128081), (789, 99835), (1315, 59901), (1461, 53915), (2435, 32349), (3945, 19967), (7305, 10783)]