123909849

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 218974080

約数和(自身を除く): 95064231

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 133, 171, 183, 399, 427, 549, 1159, 1197, 1281, 1697, 3477, 3843, 5091, 8113, 10431, 11879, 15273, 24339, 32243, 35637, 73017, 96729, 103517, 106911, 225701, 290187, 310551, 677103, 724619, 931653, 1966823, 2031309, 2173857, 5900469, 6521571, 13767761, 17701407, 41303283, 123909849]

約数ペア:

[(1, 123909849), (3, 41303283), (7, 17701407), (9, 13767761), (19, 6521571), (21, 5900469), (57, 2173857), (61, 2031309), (63, 1966823), (133, 931653), (171, 724619), (183, 677103), (399, 310551), (427, 290187), (549, 225701), (1159, 106911), (1197, 103517), (1281, 96729), (1697, 73017), (3477, 35637), (3843, 32243), (5091, 24339), (8113, 15273), (10431, 11879)]