87909945

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 144958464

約数和(自身を除く): 57048519

約数列:

[1, 3, 5, 15, 41, 123, 205, 223, 615, 641, 669, 1115, 1923, 3205, 3345, 9143, 9615, 26281, 27429, 45715, 78843, 131405, 137145, 142943, 394215, 428829, 714715, 2144145, 5860663, 17581989, 29303315, 87909945]

約数ペア:

[(1, 87909945), (3, 29303315), (5, 17581989), (15, 5860663), (41, 2144145), (123, 714715), (205, 428829), (223, 394215), (615, 142943), (641, 137145), (669, 131405), (1115, 78843), (1923, 45715), (3205, 27429), (3345, 26281), (9143, 9615)]