73984725

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2611

約数の個数: 48

約数和(自身を含む): 139128000

約数和(自身を除く): 65143275

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 2549, 3225, 5805, 7647, 9675, 12745, 22941, 29025, 38235, 63725, 68823, 109607, 114705, 191175, 328821, 344115, 548035, 573525, 986463, 1644105, 1720575, 2740175, 2959389, 4932315, 8220525, 14796945, 24661575, 73984725]

約数ペア:

[(1, 73984725), (3, 24661575), (5, 14796945), (9, 8220525), (15, 4932315), (25, 2959389), (27, 2740175), (43, 1720575), (45, 1644105), (75, 986463), (129, 573525), (135, 548035), (215, 344115), (225, 328821), (387, 191175), (645, 114705), (675, 109607), (1075, 68823), (1161, 63725), (1935, 38235), (2549, 29025), (3225, 22941), (5805, 12745), (7647, 9675)]