12980715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 22851072

約数和(自身を除く): 9870357

約数列:

[1, 3, 5, 11, 15, 33, 55, 151, 165, 453, 521, 755, 1563, 1661, 2265, 2605, 4983, 5731, 7815, 8305, 17193, 24915, 28655, 78671, 85965, 236013, 393355, 865381, 1180065, 2596143, 4326905, 12980715]

約数ペア:

[(1, 12980715), (3, 4326905), (5, 2596143), (11, 1180065), (15, 865381), (33, 393355), (55, 236013), (151, 85965), (165, 78671), (453, 28655), (521, 24915), (755, 17193), (1563, 8305), (1661, 7815), (2265, 5731), (2605, 4983)]