31753215

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 63342048

約数和(自身を除く): 31588833

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 81, 111, 117, 135, 163, 185, 195, 333, 351, 405, 481, 489, 555, 585, 815, 999, 1053, 1443, 1467, 1665, 1755, 2119, 2405, 2445, 2997, 4329, 4401, 4995, 5265, 6031, 6357, 7215, 7335, 10595, 12987, 13203, 14985, 18093, 19071, 21645, 22005, 30155, 31785, 38961, 54279, 57213, 64935, 66015, 78403, 90465, 95355, 162837, 171639, 194805, 235209, 271395, 286065, 392015, 488511, 705627, 814185, 858195, 1176045, 2116881, 2442555, 3528135, 6350643, 10584405, 31753215]

約数ペア:

[(1, 31753215), (3, 10584405), (5, 6350643), (9, 3528135), (13, 2442555), (15, 2116881), (27, 1176045), (37, 858195), (39, 814185), (45, 705627), (65, 488511), (81, 392015), (111, 286065), (117, 271395), (135, 235209), (163, 194805), (185, 171639), (195, 162837), (333, 95355), (351, 90465), (405, 78403), (481, 66015), (489, 64935), (555, 57213), (585, 54279), (815, 38961), (999, 31785), (1053, 30155), (1443, 22005), (1467, 21645), (1665, 19071), (1755, 18093), (2119, 14985), (2405, 13203), (2445, 12987), (2997, 10595), (4329, 7335), (4401, 7215), (4995, 6357), (5265, 6031)]