81803751

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 116717760

約数和(自身を除く): 34914009

約数列:

[1, 3, 29, 53, 87, 113, 157, 159, 339, 471, 1537, 3277, 4553, 4611, 5989, 8321, 9831, 13659, 17741, 17967, 24963, 53223, 173681, 241309, 514489, 521043, 723927, 940273, 1543467, 2820819, 27267917, 81803751]

約数ペア:

[(1, 81803751), (3, 27267917), (29, 2820819), (53, 1543467), (87, 940273), (113, 723927), (157, 521043), (159, 514489), (339, 241309), (471, 173681), (1537, 53223), (3277, 24963), (4553, 17967), (4611, 17741), (5989, 13659), (8321, 9831)]