249718161

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 424681920

約数和(自身を除く): 174963759

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 389, 397, 539, 1167, 1191, 1617, 2723, 2779, 4279, 4367, 8169, 8337, 12837, 13101, 19061, 19453, 29953, 30569, 57183, 58359, 89859, 91707, 154433, 209671, 213983, 463299, 629013, 641949, 1081031, 1698763, 3243093, 5096289, 7567217, 11891341, 22701651, 35674023, 83239387, 249718161]

約数ペア:

[(1, 249718161), (3, 83239387), (7, 35674023), (11, 22701651), (21, 11891341), (33, 7567217), (49, 5096289), (77, 3243093), (147, 1698763), (231, 1081031), (389, 641949), (397, 629013), (539, 463299), (1167, 213983), (1191, 209671), (1617, 154433), (2723, 91707), (2779, 89859), (4279, 58359), (4367, 57183), (8169, 30569), (8337, 29953), (12837, 19453), (13101, 19061)]