15219405

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 27636336

約数和(自身を除く): 12416931

約数列:

[1, 3, 5, 9, 15, 41, 45, 73, 113, 123, 205, 219, 339, 365, 369, 565, 615, 657, 1017, 1095, 1695, 1845, 2993, 3285, 4633, 5085, 8249, 8979, 13899, 14965, 23165, 24747, 26937, 41245, 41697, 44895, 69495, 74241, 123735, 134685, 208485, 338209, 371205, 1014627, 1691045, 3043881, 5073135, 15219405]

約数ペア:

[(1, 15219405), (3, 5073135), (5, 3043881), (9, 1691045), (15, 1014627), (41, 371205), (45, 338209), (73, 208485), (113, 134685), (123, 123735), (205, 74241), (219, 69495), (339, 44895), (365, 41697), (369, 41245), (565, 26937), (615, 24747), (657, 23165), (1017, 14965), (1095, 13899), (1695, 8979), (1845, 8249), (2993, 5085), (3285, 4633)]