7219107

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 12962560

約数和(自身を除く): 5743453

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 163, 171, 259, 333, 399, 489, 703, 777, 1141, 1197, 1467, 2109, 2331, 3097, 3423, 4921, 6031, 6327, 9291, 10269, 14763, 18093, 21679, 27873, 42217, 44289, 54279, 65037, 114589, 126651, 195111, 343767, 379953, 802123, 1031301, 2406369, 7219107]

約数ペア:

[(1, 7219107), (3, 2406369), (7, 1031301), (9, 802123), (19, 379953), (21, 343767), (37, 195111), (57, 126651), (63, 114589), (111, 65037), (133, 54279), (163, 44289), (171, 42217), (259, 27873), (333, 21679), (399, 18093), (489, 14763), (703, 10269), (777, 9291), (1141, 6327), (1197, 6031), (1467, 4921), (2109, 3423), (2331, 3097)]