845310417

素因数分解:

$3^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{8971}}^1$

素因数の和:9629

約数の個数: 24

約数和(自身を含む): 1313285472

約数和(自身を除く): 467975055

約数列:

[1, 3, 7, 21, 49, 147, 641, 1923, 4487, 8971, 13461, 26913, 31409, 62797, 94227, 188391, 439579, 1318737, 5750411, 17251233, 40252877, 120758631, 281770139, 845310417]

約数ペア:

[(1, 845310417), (3, 281770139), (7, 120758631), (21, 40252877), (49, 17251233), (147, 5750411), (641, 1318737), (1923, 439579), (4487, 188391), (8971, 94227), (13461, 62797), (26913, 31409)]