19929075

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6481}}^1$

素因数の和:6535

約数の個数: 24

約数和(自身を含む): 33758256

約数和(自身を除く): 13829181

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6481, 19443, 32405, 97215, 162025, 265721, 486075, 797163, 1328605, 3985815, 6643025, 19929075]

約数ペア:

[(1, 19929075), (3, 6643025), (5, 3985815), (15, 1328605), (25, 797163), (41, 486075), (75, 265721), (123, 162025), (205, 97215), (615, 32405), (1025, 19443), (3075, 6481)]