80880279

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 114462720

約数和(自身を除く): 33582441

約数列:

[1, 3, 47, 53, 79, 137, 141, 159, 237, 411, 2491, 3713, 4187, 6439, 7261, 7473, 10823, 11139, 12561, 19317, 21783, 32469, 196789, 341267, 508681, 573619, 590367, 1023801, 1526043, 1720857, 26960093, 80880279]

約数ペア:

[(1, 80880279), (3, 26960093), (47, 1720857), (53, 1526043), (79, 1023801), (137, 590367), (141, 573619), (159, 508681), (237, 341267), (411, 196789), (2491, 32469), (3713, 21783), (4187, 19317), (6439, 12561), (7261, 11139), (7473, 10823)]