56980791

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 99939840

約数和(自身を除く): 42959049

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 181, 263, 399, 543, 789, 1197, 1267, 1629, 1841, 2367, 3439, 3801, 4997, 5523, 10317, 11403, 14991, 16569, 24073, 30951, 34979, 44973, 47603, 72219, 104937, 142809, 216657, 314811, 333221, 428427, 904457, 999663, 2713371, 2998989, 6331199, 8140113, 18993597, 56980791]

約数ペア:

[(1, 56980791), (3, 18993597), (7, 8140113), (9, 6331199), (19, 2998989), (21, 2713371), (57, 999663), (63, 904457), (133, 428427), (171, 333221), (181, 314811), (263, 216657), (399, 142809), (543, 104937), (789, 72219), (1197, 47603), (1267, 44973), (1629, 34979), (1841, 30951), (2367, 24073), (3439, 16569), (3801, 14991), (4997, 11403), (5523, 10317)]