68798205

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 142289784

約数和(自身を除く): 73491579

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 63, 105, 123, 147, 205, 245, 287, 315, 369, 441, 615, 735, 761, 861, 1435, 1845, 2009, 2205, 2283, 2583, 3805, 4305, 5327, 6027, 6849, 10045, 11415, 12915, 15981, 18081, 26635, 30135, 31201, 34245, 37289, 47943, 79905, 90405, 93603, 111867, 156005, 186445, 218407, 239715, 280809, 335601, 468015, 559335, 655221, 1092035, 1404045, 1528849, 1678005, 1965663, 3276105, 4586547, 7644245, 9828315, 13759641, 22932735, 68798205]

約数ペア:

[(1, 68798205), (3, 22932735), (5, 13759641), (7, 9828315), (9, 7644245), (15, 4586547), (21, 3276105), (35, 1965663), (41, 1678005), (45, 1528849), (49, 1404045), (63, 1092035), (105, 655221), (123, 559335), (147, 468015), (205, 335601), (245, 280809), (287, 239715), (315, 218407), (369, 186445), (441, 156005), (615, 111867), (735, 93603), (761, 90405), (861, 79905), (1435, 47943), (1845, 37289), (2009, 34245), (2205, 31201), (2283, 30135), (2583, 26635), (3805, 18081), (4305, 15981), (5327, 12915), (6027, 11415), (6849, 10045)]