128766885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2909}}^1$

素因数の和:3157

約数の個数: 32

約数和(自身を含む): 222929280

約数和(自身を除く): 94162395

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 227, 681, 1135, 2909, 2951, 3405, 8727, 8853, 14545, 14755, 37817, 43635, 44265, 113451, 189085, 567255, 660343, 1981029, 3301715, 8584459, 9905145, 25753377, 42922295, 128766885]

約数ペア:

[(1, 128766885), (3, 42922295), (5, 25753377), (13, 9905145), (15, 8584459), (39, 3301715), (65, 1981029), (195, 660343), (227, 567255), (681, 189085), (1135, 113451), (2909, 44265), (2951, 43635), (3405, 37817), (8727, 14755), (8853, 14545)]