72809145

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 64048455

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 131, 135, 179, 207, 345, 393, 537, 621, 655, 895, 1035, 1179, 1611, 1965, 2685, 3013, 3105, 3537, 4117, 4833, 5895, 8055, 9039, 12351, 15065, 17685, 20585, 23449, 24165, 27117, 37053, 45195, 61755, 70347, 81351, 111159, 117245, 135585, 185265, 211041, 351735, 406755, 539327, 555795, 633123, 1055205, 1617981, 2696635, 3165615, 4853943, 8089905, 14561829, 24269715, 72809145]

約数ペア:

[(1, 72809145), (3, 24269715), (5, 14561829), (9, 8089905), (15, 4853943), (23, 3165615), (27, 2696635), (45, 1617981), (69, 1055205), (115, 633123), (131, 555795), (135, 539327), (179, 406755), (207, 351735), (345, 211041), (393, 185265), (537, 135585), (621, 117245), (655, 111159), (895, 81351), (1035, 70347), (1179, 61755), (1611, 45195), (1965, 37053), (2685, 27117), (3013, 24165), (3105, 23449), (3537, 20585), (4117, 17685), (4833, 15065), (5895, 12351), (8055, 9039)]