127781775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3037}}^1$

素因数の和:3081

約数の個数: 72

約数和(自身を含む): 264451824

約数和(自身を除く): 136670049

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 187, 225, 255, 275, 425, 495, 561, 765, 825, 935, 1275, 1683, 2475, 2805, 3037, 3825, 4675, 8415, 9111, 14025, 15185, 27333, 33407, 42075, 45555, 51629, 75925, 100221, 136665, 154887, 167035, 227775, 258145, 300663, 464661, 501105, 567919, 683325, 774435, 835175, 1290725, 1503315, 1703757, 2323305, 2505525, 2839595, 3872175, 5111271, 7516575, 8518785, 11616525, 14197975, 25556355, 42593925, 127781775]

約数ペア:

[(1, 127781775), (3, 42593925), (5, 25556355), (9, 14197975), (11, 11616525), (15, 8518785), (17, 7516575), (25, 5111271), (33, 3872175), (45, 2839595), (51, 2505525), (55, 2323305), (75, 1703757), (85, 1503315), (99, 1290725), (153, 835175), (165, 774435), (187, 683325), (225, 567919), (255, 501105), (275, 464661), (425, 300663), (495, 258145), (561, 227775), (765, 167035), (825, 154887), (935, 136665), (1275, 100221), (1683, 75925), (2475, 51629), (2805, 45555), (3037, 42075), (3825, 33407), (4675, 27333), (8415, 15185), (9111, 14025)]