717891837

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 1106493696

約数和(自身を除く): 388601859

約数列:

[1, 3, 13, 39, 41, 43, 53, 123, 129, 159, 197, 533, 559, 591, 689, 1599, 1677, 1763, 2067, 2173, 2279, 2561, 5289, 6519, 6837, 7683, 8077, 8471, 10441, 22919, 24231, 25413, 28249, 29627, 31323, 68757, 84747, 88881, 93439, 105001, 110123, 135733, 280317, 315003, 330369, 347311, 407199, 428081, 448963, 1041933, 1214707, 1284243, 1346889, 3644121, 4515043, 5565053, 5836519, 13545129, 16695159, 17509557, 18407483, 55222449, 239297279, 717891837]

約数ペア:

[(1, 717891837), (3, 239297279), (13, 55222449), (39, 18407483), (41, 17509557), (43, 16695159), (53, 13545129), (123, 5836519), (129, 5565053), (159, 4515043), (197, 3644121), (533, 1346889), (559, 1284243), (591, 1214707), (689, 1041933), (1599, 448963), (1677, 428081), (1763, 407199), (2067, 347311), (2173, 330369), (2279, 315003), (2561, 280317), (5289, 135733), (6519, 110123), (6837, 105001), (7683, 93439), (8077, 88881), (8471, 84747), (10441, 68757), (22919, 31323), (24231, 29627), (25413, 28249)]