77245545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20889

約数の個数: 32

約数和(自身を含む): 140112000

約数和(自身を除く): 62866455

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 20849, 62547, 104245, 271037, 312735, 396131, 813111, 1188393, 1355185, 1980655, 4065555, 5149703, 5941965, 15449109, 25748515, 77245545]

約数ペア:

[(1, 77245545), (3, 25748515), (5, 15449109), (13, 5941965), (15, 5149703), (19, 4065555), (39, 1980655), (57, 1355185), (65, 1188393), (95, 813111), (195, 396131), (247, 312735), (285, 271037), (741, 104245), (1235, 62547), (3705, 20849)]