139227975

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{19961}}^1$

素因数の和:20008

約数の個数: 36

約数和(自身を含む): 257429952

約数和(自身を除く): 118201977

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 6975, 19961, 59883, 99805, 179649, 299415, 499025, 618791, 898245, 1497075, 1856373, 3093955, 4491225, 5569119, 9281865, 15469775, 27845595, 46409325, 139227975]

約数ペア:

[(1, 139227975), (3, 46409325), (5, 27845595), (9, 15469775), (15, 9281865), (25, 5569119), (31, 4491225), (45, 3093955), (75, 1856373), (93, 1497075), (155, 898245), (225, 618791), (279, 499025), (465, 299415), (775, 179649), (1395, 99805), (2325, 59883), (6975, 19961)]