64815945

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 41628855

約数列:

[1, 3, 5, 15, 79, 83, 237, 249, 395, 415, 659, 1185, 1245, 1977, 3295, 6557, 9885, 19671, 32785, 52061, 54697, 98355, 156183, 164091, 260305, 273485, 780915, 820455, 4321063, 12963189, 21605315, 64815945]

約数ペア:

[(1, 64815945), (3, 21605315), (5, 12963189), (15, 4321063), (79, 820455), (83, 780915), (237, 273485), (249, 260305), (395, 164091), (415, 156183), (659, 98355), (1185, 54697), (1245, 52061), (1977, 32785), (3295, 19671), (6557, 9885)]