679651335

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 1352153088

約数和(自身を除く): 672501753

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 43, 45, 55, 99, 111, 129, 165, 185, 215, 333, 387, 407, 473, 495, 555, 645, 863, 1221, 1419, 1591, 1665, 1935, 2035, 2365, 2589, 3663, 4257, 4315, 4773, 6105, 7095, 7767, 7955, 9493, 12945, 14319, 17501, 18315, 21285, 23865, 28479, 31931, 37109, 38835, 47465, 52503, 71595, 85437, 87505, 95793, 111327, 142395, 157509, 159655, 185545, 262515, 287379, 333981, 351241, 408199, 427185, 478965, 556635, 787545, 1053723, 1224597, 1373033, 1436895, 1669905, 1756205, 2040995, 3161169, 3673791, 4119099, 5268615, 6122985, 6865165, 12357297, 15103363, 15805845, 18368955, 20595495, 45310089, 61786485, 75516815, 135930267, 226550445, 679651335]

約数ペア:

[(1, 679651335), (3, 226550445), (5, 135930267), (9, 75516815), (11, 61786485), (15, 45310089), (33, 20595495), (37, 18368955), (43, 15805845), (45, 15103363), (55, 12357297), (99, 6865165), (111, 6122985), (129, 5268615), (165, 4119099), (185, 3673791), (215, 3161169), (333, 2040995), (387, 1756205), (407, 1669905), (473, 1436895), (495, 1373033), (555, 1224597), (645, 1053723), (863, 787545), (1221, 556635), (1419, 478965), (1591, 427185), (1665, 408199), (1935, 351241), (2035, 333981), (2365, 287379), (2589, 262515), (3663, 185545), (4257, 159655), (4315, 157509), (4773, 142395), (6105, 111327), (7095, 95793), (7767, 87505), (7955, 85437), (9493, 71595), (12945, 52503), (14319, 47465), (17501, 38835), (18315, 37109), (21285, 31931), (23865, 28479)]