55640325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 99993600

約数和(自身を除く): 44353275

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 149, 195, 325, 383, 447, 745, 975, 1149, 1915, 1937, 2235, 3725, 4979, 5745, 5811, 9575, 9685, 11175, 14937, 24895, 28725, 29055, 48425, 57067, 74685, 124475, 145275, 171201, 285335, 373425, 741871, 856005, 1426675, 2225613, 3709355, 4280025, 11128065, 18546775, 55640325]

約数ペア:

[(1, 55640325), (3, 18546775), (5, 11128065), (13, 4280025), (15, 3709355), (25, 2225613), (39, 1426675), (65, 856005), (75, 741871), (149, 373425), (195, 285335), (325, 171201), (383, 145275), (447, 124475), (745, 74685), (975, 57067), (1149, 48425), (1915, 29055), (1937, 28725), (2235, 24895), (3725, 14937), (4979, 11175), (5745, 9685), (5811, 9575)]