149804515

素因数分解:

$5^1\times 7^2\times {\mathrm{617}}^1\times {\mathrm{991}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 209665152

約数和(自身を除く): 59860637

約数列:

[1, 5, 7, 35, 49, 245, 617, 991, 3085, 4319, 4955, 6937, 21595, 30233, 34685, 48559, 151165, 242795, 611447, 3057235, 4280129, 21400645, 29960903, 149804515]

約数ペア:

[(1, 149804515), (5, 29960903), (7, 21400645), (35, 4280129), (49, 3057235), (245, 611447), (617, 242795), (991, 151165), (3085, 48559), (4319, 34685), (4955, 30233), (6937, 21595)]