779805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 1537536

約数和(自身を除く): 757731

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 43, 45, 65, 93, 117, 129, 155, 195, 215, 279, 387, 403, 465, 559, 585, 645, 1209, 1333, 1395, 1677, 1935, 2015, 2795, 3627, 3999, 5031, 6045, 6665, 8385, 11997, 17329, 18135, 19995, 25155, 51987, 59985, 86645, 155961, 259935, 779805]

約数ペア:

[(1, 779805), (3, 259935), (5, 155961), (9, 86645), (13, 59985), (15, 51987), (31, 25155), (39, 19995), (43, 18135), (45, 17329), (65, 11997), (93, 8385), (117, 6665), (129, 6045), (155, 5031), (195, 3999), (215, 3627), (279, 2795), (387, 2015), (403, 1935), (465, 1677), (559, 1395), (585, 1333), (645, 1209)]