68213655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 123439680

約数和(自身を除く): 55226025

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 167, 261, 313, 435, 501, 835, 939, 1305, 1503, 1565, 2505, 2817, 4695, 4843, 7515, 9077, 14085, 14529, 24215, 27231, 43587, 45385, 52271, 72645, 81693, 136155, 156813, 217935, 261355, 408465, 470439, 784065, 1515859, 2352195, 4547577, 7579295, 13642731, 22737885, 68213655]

約数ペア:

[(1, 68213655), (3, 22737885), (5, 13642731), (9, 7579295), (15, 4547577), (29, 2352195), (45, 1515859), (87, 784065), (145, 470439), (167, 408465), (261, 261355), (313, 217935), (435, 156813), (501, 136155), (835, 81693), (939, 72645), (1305, 52271), (1503, 45385), (1565, 43587), (2505, 27231), (2817, 24215), (4695, 14529), (4843, 14085), (7515, 9077)]