78519915

素因数分解:

$3^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{971}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 139968000

約数和(自身を除く): 61448085

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 599, 971, 1797, 2913, 2995, 4855, 5391, 8739, 8985, 14565, 16173, 26217, 26955, 43695, 80865, 131085, 581629, 1744887, 2908145, 5234661, 8724435, 15703983, 26173305, 78519915]

約数ペア:

[(1, 78519915), (3, 26173305), (5, 15703983), (9, 8724435), (15, 5234661), (27, 2908145), (45, 1744887), (135, 581629), (599, 131085), (971, 80865), (1797, 43695), (2913, 26955), (2995, 26217), (4855, 16173), (5391, 14565), (8739, 8985)]