128315445

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{5639}}^1$

素因数の和:5725

約数の個数: 32

約数和(自身を含む): 216034560

約数和(自身を除く): 87719115

約数列:

[1, 3, 5, 15, 37, 41, 111, 123, 185, 205, 555, 615, 1517, 4551, 5639, 7585, 16917, 22755, 28195, 84585, 208643, 231199, 625929, 693597, 1043215, 1155995, 3129645, 3467985, 8554363, 25663089, 42771815, 128315445]

約数ペア:

[(1, 128315445), (3, 42771815), (5, 25663089), (15, 8554363), (37, 3467985), (41, 3129645), (111, 1155995), (123, 1043215), (185, 693597), (205, 625929), (555, 231199), (615, 208643), (1517, 84585), (4551, 28195), (5639, 22755), (7585, 16917)]