31269375

素因数分解:

$3^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 61855200

約数和(自身を除く): 30585825

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 109, 125, 135, 153, 225, 255, 327, 375, 425, 459, 545, 625, 675, 765, 981, 1125, 1275, 1635, 1853, 1875, 2125, 2295, 2725, 2943, 3375, 3825, 4905, 5559, 5625, 6375, 8175, 9265, 10625, 11475, 13625, 14715, 16677, 16875, 19125, 24525, 27795, 31875, 40875, 46325, 50031, 57375, 68125, 73575, 83385, 95625, 122625, 138975, 204375, 231625, 250155, 286875, 367875, 416925, 613125, 694875, 1158125, 1250775, 1839375, 2084625, 3474375, 6253875, 10423125, 31269375]

約数ペア:

[(1, 31269375), (3, 10423125), (5, 6253875), (9, 3474375), (15, 2084625), (17, 1839375), (25, 1250775), (27, 1158125), (45, 694875), (51, 613125), (75, 416925), (85, 367875), (109, 286875), (125, 250155), (135, 231625), (153, 204375), (225, 138975), (255, 122625), (327, 95625), (375, 83385), (425, 73575), (459, 68125), (545, 57375), (625, 50031), (675, 46325), (765, 40875), (981, 31875), (1125, 27795), (1275, 24525), (1635, 19125), (1853, 16875), (1875, 16677), (2125, 14715), (2295, 13625), (2725, 11475), (2943, 10625), (3375, 9265), (3825, 8175), (4905, 6375), (5559, 5625)]