78318513

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 149385600

約数和(自身を除く): 71067087

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 147, 171, 247, 273, 399, 441, 637, 719, 741, 819, 931, 1197, 1729, 1911, 2157, 2223, 2793, 5033, 5187, 5733, 6471, 8379, 9347, 12103, 13661, 15099, 15561, 28041, 35231, 36309, 40983, 45297, 65429, 84123, 95627, 105693, 108927, 122949, 177593, 196287, 286881, 317079, 458003, 532779, 588861, 669389, 860643, 1243151, 1374009, 1598337, 2008167, 3729453, 4122027, 6024501, 8702057, 11188359, 26106171, 78318513]

約数ペア:

[(1, 78318513), (3, 26106171), (7, 11188359), (9, 8702057), (13, 6024501), (19, 4122027), (21, 3729453), (39, 2008167), (49, 1598337), (57, 1374009), (63, 1243151), (91, 860643), (117, 669389), (133, 588861), (147, 532779), (171, 458003), (247, 317079), (273, 286881), (399, 196287), (441, 177593), (637, 122949), (719, 108927), (741, 105693), (819, 95627), (931, 84123), (1197, 65429), (1729, 45297), (1911, 40983), (2157, 36309), (2223, 35231), (2793, 28041), (5033, 15561), (5187, 15099), (5733, 13661), (6471, 12103), (8379, 9347)]