121881925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 186630912

約数和(自身を除く): 64748987

約数列:

[1, 5, 11, 17, 25, 29, 31, 55, 85, 145, 155, 187, 275, 319, 341, 425, 493, 527, 725, 775, 841, 899, 935, 1595, 1705, 2465, 2635, 4205, 4495, 4675, 5423, 5797, 7975, 8525, 9251, 9889, 12325, 13175, 14297, 15283, 21025, 22475, 26071, 27115, 28985, 46255, 49445, 71485, 76415, 130355, 135575, 144925, 157267, 168113, 231275, 247225, 286781, 357425, 382075, 443207, 651775, 786335, 840565, 1433905, 2216035, 3931675, 4202825, 4875277, 7169525, 11080175, 24376385, 121881925]

約数ペア:

[(1, 121881925), (5, 24376385), (11, 11080175), (17, 7169525), (25, 4875277), (29, 4202825), (31, 3931675), (55, 2216035), (85, 1433905), (145, 840565), (155, 786335), (187, 651775), (275, 443207), (319, 382075), (341, 357425), (425, 286781), (493, 247225), (527, 231275), (725, 168113), (775, 157267), (841, 144925), (899, 135575), (935, 130355), (1595, 76415), (1705, 71485), (2465, 49445), (2635, 46255), (4205, 28985), (4495, 27115), (4675, 26071), (5423, 22475), (5797, 21025), (7975, 15283), (8525, 14297), (9251, 13175), (9889, 12325)]