7877880189

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 12689464320

約数和(自身を除く): 4811584131

約数列:

[1, 3, 9, 17, 29, 51, 71, 87, 153, 213, 261, 289, 493, 639, 867, 1207, 1471, 1479, 2059, 2601, 3621, 4413, 4437, 6177, 8381, 10863, 13239, 18531, 20519, 25007, 25143, 35003, 42659, 61557, 75021, 75429, 104441, 105009, 127977, 184671, 225063, 313323, 315027, 383931, 425119, 595051, 725203, 939969, 1275357, 1775497, 1785153, 2175609, 3028789, 3826071, 5326491, 5355459, 6526827, 9086367, 12328451, 15979473, 27259101, 30183449, 36985353, 51489413, 90550347, 110956059, 154468239, 271651041, 463404717, 875320021, 2625960063, 7877880189]

約数ペア:

[(1, 7877880189), (3, 2625960063), (9, 875320021), (17, 463404717), (29, 271651041), (51, 154468239), (71, 110956059), (87, 90550347), (153, 51489413), (213, 36985353), (261, 30183449), (289, 27259101), (493, 15979473), (639, 12328451), (867, 9086367), (1207, 6526827), (1471, 5355459), (1479, 5326491), (2059, 3826071), (2601, 3028789), (3621, 2175609), (4413, 1785153), (4437, 1775497), (6177, 1275357), (8381, 939969), (10863, 725203), (13239, 595051), (18531, 425119), (20519, 383931), (25007, 315027), (25143, 313323), (35003, 225063), (42659, 184671), (61557, 127977), (75021, 105009), (75429, 104441)]