655123887

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 1088025120

約数和(自身を除く): 432901233

約数列:

[1, 3, 9, 11, 33, 37, 71, 99, 111, 121, 213, 229, 333, 363, 407, 639, 687, 781, 1089, 1221, 2061, 2343, 2519, 2627, 3663, 4477, 7029, 7557, 7881, 8473, 8591, 13431, 16259, 22671, 23643, 25419, 25773, 27709, 28897, 40293, 48777, 76257, 77319, 83127, 86691, 93203, 146331, 178849, 249381, 260073, 279609, 317867, 536547, 601583, 838827, 953601, 1025233, 1609641, 1804749, 1967339, 2860803, 3075699, 5414247, 5902017, 6617413, 9227097, 17706051, 19852239, 59556717, 72791543, 218374629, 655123887]

約数ペア:

[(1, 655123887), (3, 218374629), (9, 72791543), (11, 59556717), (33, 19852239), (37, 17706051), (71, 9227097), (99, 6617413), (111, 5902017), (121, 5414247), (213, 3075699), (229, 2860803), (333, 1967339), (363, 1804749), (407, 1609641), (639, 1025233), (687, 953601), (781, 838827), (1089, 601583), (1221, 536547), (2061, 317867), (2343, 279609), (2519, 260073), (2627, 249381), (3663, 178849), (4477, 146331), (7029, 93203), (7557, 86691), (7881, 83127), (8473, 77319), (8591, 76257), (13431, 48777), (16259, 40293), (22671, 28897), (23643, 27709), (25419, 25773)]