219625731

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3187}}^1$

素因数の和:3256

約数の個数: 48

約数和(自身を含む): 371338240

約数和(自身を除く): 151712509

約数列:

[1, 3, 9, 13, 19, 31, 39, 57, 93, 117, 171, 247, 279, 403, 589, 741, 1209, 1767, 2223, 3187, 3627, 5301, 7657, 9561, 22971, 28683, 41431, 60553, 68913, 98797, 124293, 181659, 296391, 372879, 544977, 787189, 889173, 1284361, 1877143, 2361567, 3853083, 5631429, 7084701, 11559249, 16894287, 24402859, 73208577, 219625731]

約数ペア:

[(1, 219625731), (3, 73208577), (9, 24402859), (13, 16894287), (19, 11559249), (31, 7084701), (39, 5631429), (57, 3853083), (93, 2361567), (117, 1877143), (171, 1284361), (247, 889173), (279, 787189), (403, 544977), (589, 372879), (741, 296391), (1209, 181659), (1767, 124293), (2223, 98797), (3187, 68913), (3627, 60553), (5301, 41431), (7657, 28683), (9561, 22971)]