15216945

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 25280640

約数和(自身を除く): 10063695

約数列:

[1, 3, 5, 15, 41, 109, 123, 205, 227, 327, 545, 615, 681, 1135, 1635, 3405, 4469, 9307, 13407, 22345, 24743, 27921, 46535, 67035, 74229, 123715, 139605, 371145, 1014463, 3043389, 5072315, 15216945]

約数ペア:

[(1, 15216945), (3, 5072315), (5, 3043389), (15, 1014463), (41, 371145), (109, 139605), (123, 123715), (205, 74229), (227, 67035), (327, 46535), (545, 27921), (615, 24743), (681, 22345), (1135, 13407), (1635, 9307), (3405, 4469)]