121128975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 239382000

約数和(自身を除く): 118253025

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 109, 165, 225, 275, 327, 449, 495, 545, 825, 981, 1199, 1347, 1635, 2245, 2475, 2725, 3597, 4041, 4905, 4939, 5995, 6735, 8175, 10791, 11225, 14817, 17985, 20205, 24525, 24695, 29975, 33675, 44451, 48941, 53955, 74085, 89925, 101025, 123475, 146823, 222255, 244705, 269775, 370425, 440469, 538351, 734115, 1111275, 1223525, 1615053, 2202345, 2691755, 3670575, 4845159, 8075265, 11011725, 13458775, 24225795, 40376325, 121128975]

約数ペア:

[(1, 121128975), (3, 40376325), (5, 24225795), (9, 13458775), (11, 11011725), (15, 8075265), (25, 4845159), (33, 3670575), (45, 2691755), (55, 2202345), (75, 1615053), (99, 1223525), (109, 1111275), (165, 734115), (225, 538351), (275, 440469), (327, 370425), (449, 269775), (495, 244705), (545, 222255), (825, 146823), (981, 123475), (1199, 101025), (1347, 89925), (1635, 74085), (2245, 53955), (2475, 48941), (2725, 44451), (3597, 33675), (4041, 29975), (4905, 24695), (4939, 24525), (5995, 20205), (6735, 17985), (8175, 14817), (10791, 11225)]