1900867095

素因数分解:

$3^4\times 5^1\times {\mathrm{4693499}}^1$

素因数の和:4693516

約数の個数: 20

約数和(自身を含む): 3407481000

約数和(自身を除く): 1506613905

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4693499, 14080497, 23467495, 42241491, 70402485, 126724473, 211207455, 380173419, 633622365, 1900867095]

約数ペア:

[(1, 1900867095), (3, 633622365), (5, 380173419), (9, 211207455), (15, 126724473), (27, 70402485), (45, 42241491), (81, 23467495), (135, 14080497), (405, 4693499)]