81408483

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 60

約数和(自身を含む): 139058040

約数和(自身を除く): 57649557

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 169, 171, 247, 313, 351, 507, 513, 741, 939, 1053, 1521, 1539, 2223, 2817, 3211, 4069, 4563, 5947, 6669, 8451, 9633, 12207, 13689, 17841, 20007, 25353, 28899, 36621, 52897, 53523, 77311, 86697, 109863, 158691, 160569, 231933, 260091, 329589, 476073, 481707, 695799, 1005043, 1428219, 2087397, 3015129, 4284657, 6262191, 9045387, 27136161, 81408483]

約数ペア:

[(1, 81408483), (3, 27136161), (9, 9045387), (13, 6262191), (19, 4284657), (27, 3015129), (39, 2087397), (57, 1428219), (81, 1005043), (117, 695799), (169, 481707), (171, 476073), (247, 329589), (313, 260091), (351, 231933), (507, 160569), (513, 158691), (741, 109863), (939, 86697), (1053, 77311), (1521, 53523), (1539, 52897), (2223, 36621), (2817, 28899), (3211, 25353), (4069, 20007), (4563, 17841), (5947, 13689), (6669, 12207), (8451, 9633)]