7725375

素因数分解:

$3^4\times 5^3\times 7^1\times {\mathrm{109}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 16610880

約数和(自身を除く): 8885505

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 109, 125, 135, 175, 189, 225, 315, 327, 375, 405, 525, 545, 567, 675, 763, 875, 945, 981, 1125, 1575, 1635, 2025, 2289, 2625, 2725, 2835, 2943, 3375, 3815, 4725, 4905, 6867, 7875, 8175, 8829, 10125, 11445, 13625, 14175, 14715, 19075, 20601, 23625, 24525, 34335, 40875, 44145, 57225, 61803, 70875, 73575, 95375, 103005, 122625, 171675, 220725, 286125, 309015, 367875, 515025, 858375, 1103625, 1545075, 2575125, 7725375]

約数ペア:

[(1, 7725375), (3, 2575125), (5, 1545075), (7, 1103625), (9, 858375), (15, 515025), (21, 367875), (25, 309015), (27, 286125), (35, 220725), (45, 171675), (63, 122625), (75, 103005), (81, 95375), (105, 73575), (109, 70875), (125, 61803), (135, 57225), (175, 44145), (189, 40875), (225, 34335), (315, 24525), (327, 23625), (375, 20601), (405, 19075), (525, 14715), (545, 14175), (567, 13625), (675, 11445), (763, 10125), (875, 8829), (945, 8175), (981, 7875), (1125, 6867), (1575, 4905), (1635, 4725), (2025, 3815), (2289, 3375), (2625, 2943), (2725, 2835)]