91991361

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 161095680

約数和(自身を除く): 69104319

約数列:

[1, 3, 7, 11, 21, 33, 37, 47, 77, 111, 141, 229, 231, 259, 329, 407, 517, 687, 777, 987, 1221, 1551, 1603, 1739, 2519, 2849, 3619, 4809, 5217, 7557, 8473, 8547, 10763, 10857, 12173, 17633, 19129, 25419, 32289, 36519, 52899, 57387, 59311, 75341, 93203, 118393, 133903, 177933, 226023, 279609, 355179, 398231, 401709, 652421, 828751, 1194693, 1957263, 2486253, 2787617, 4380541, 8362851, 13141623, 30663787, 91991361]

約数ペア:

[(1, 91991361), (3, 30663787), (7, 13141623), (11, 8362851), (21, 4380541), (33, 2787617), (37, 2486253), (47, 1957263), (77, 1194693), (111, 828751), (141, 652421), (229, 401709), (231, 398231), (259, 355179), (329, 279609), (407, 226023), (517, 177933), (687, 133903), (777, 118393), (987, 93203), (1221, 75341), (1551, 59311), (1603, 57387), (1739, 52899), (2519, 36519), (2849, 32289), (3619, 25419), (4809, 19129), (5217, 17633), (7557, 12173), (8473, 10857), (8547, 10763)]