7870455

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 14582880

約数和(自身を除く): 6712425

約数列:

[1, 3, 5, 9, 15, 29, 37, 45, 87, 111, 145, 163, 185, 261, 333, 435, 489, 555, 815, 1073, 1305, 1467, 1665, 2445, 3219, 4727, 5365, 6031, 7335, 9657, 14181, 16095, 18093, 23635, 30155, 42543, 48285, 54279, 70905, 90465, 174899, 212715, 271395, 524697, 874495, 1574091, 2623485, 7870455]

約数ペア:

[(1, 7870455), (3, 2623485), (5, 1574091), (9, 874495), (15, 524697), (29, 271395), (37, 212715), (45, 174899), (87, 90465), (111, 70905), (145, 54279), (163, 48285), (185, 42543), (261, 30155), (333, 23635), (435, 18093), (489, 16095), (555, 14181), (815, 9657), (1073, 7335), (1305, 6031), (1467, 5365), (1665, 4727), (2445, 3219)]