28011405

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 47190528

約数和(自身を除く): 19179123

約数列:

[1, 3, 5, 15, 37, 41, 111, 123, 185, 205, 555, 615, 1231, 1517, 3693, 4551, 6155, 7585, 18465, 22755, 45547, 50471, 136641, 151413, 227735, 252355, 683205, 757065, 1867427, 5602281, 9337135, 28011405]

約数ペア:

[(1, 28011405), (3, 9337135), (5, 5602281), (15, 1867427), (37, 757065), (41, 683205), (111, 252355), (123, 227735), (185, 151413), (205, 136641), (555, 50471), (615, 45547), (1231, 22755), (1517, 18465), (3693, 7585), (4551, 6155)]