61481511

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 119257600

約数和(自身を除く): 57776089

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 247, 273, 351, 399, 439, 513, 567, 741, 819, 1053, 1197, 1317, 1539, 1729, 2223, 2457, 3073, 3591, 3951, 5187, 5707, 6669, 7371, 8341, 9219, 10773, 11853, 15561, 17121, 20007, 25023, 27657, 35559, 39949, 46683, 51363, 58387, 75069, 82971, 108433, 119847, 140049, 154089, 175161, 225207, 248913, 325299, 359541, 462267, 525483, 675621, 759031, 975897, 1078623, 1576449, 2277093, 2927691, 3235869, 4729347, 6831279, 8783073, 20493837, 61481511]

約数ペア:

[(1, 61481511), (3, 20493837), (7, 8783073), (9, 6831279), (13, 4729347), (19, 3235869), (21, 2927691), (27, 2277093), (39, 1576449), (57, 1078623), (63, 975897), (81, 759031), (91, 675621), (117, 525483), (133, 462267), (171, 359541), (189, 325299), (247, 248913), (273, 225207), (351, 175161), (399, 154089), (439, 140049), (513, 119847), (567, 108433), (741, 82971), (819, 75069), (1053, 58387), (1197, 51363), (1317, 46683), (1539, 39949), (1729, 35559), (2223, 27657), (2457, 25023), (3073, 20007), (3591, 17121), (3951, 15561), (5187, 11853), (5707, 10773), (6669, 9219), (7371, 8341)]