81411876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24851}}^1$

素因数の和:24881

約数の個数: 72

約数和(自身を含む): 253291584

約数和(自身を除く): 171879708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 24851, 49702, 74553, 99404, 149106, 173957, 223659, 298212, 323063, 347914, 447318, 521871, 646126, 695828, 894636, 969189, 1043742, 1292252, 1565613, 1938378, 2087484, 2261441, 2907567, 3131226, 3876756, 4522882, 5815134, 6262452, 6784323, 9045764, 11630268, 13568646, 20352969, 27137292, 40705938, 81411876]

約数ペア:

[(1, 81411876), (2, 40705938), (3, 27137292), (4, 20352969), (6, 13568646), (7, 11630268), (9, 9045764), (12, 6784323), (13, 6262452), (14, 5815134), (18, 4522882), (21, 3876756), (26, 3131226), (28, 2907567), (36, 2261441), (39, 2087484), (42, 1938378), (52, 1565613), (63, 1292252), (78, 1043742), (84, 969189), (91, 894636), (117, 695828), (126, 646126), (156, 521871), (182, 447318), (234, 347914), (252, 323063), (273, 298212), (364, 223659), (468, 173957), (546, 149106), (819, 99404), (1092, 74553), (1638, 49702), (3276, 24851)]