1900967535

素因数分解:

$3^4\times 5^1\times {\mathrm{4693747}}^1$

素因数の和:4693764

約数の個数: 20

約数和(自身を含む): 3407661048

約数和(自身を除く): 1506693513

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4693747, 14081241, 23468735, 42243723, 70406205, 126731169, 211218615, 380193507, 633655845, 1900967535]

約数ペア:

[(1, 1900967535), (3, 633655845), (5, 380193507), (9, 211218615), (15, 126731169), (27, 70406205), (45, 42243723), (81, 23468735), (135, 14081241), (405, 4693747)]