1661121

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 3317760

約数和(自身を除く): 1656639

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 47, 51, 63, 77, 99, 119, 141, 153, 187, 189, 231, 297, 329, 357, 423, 459, 517, 561, 693, 799, 987, 1071, 1269, 1309, 1551, 1683, 2079, 2397, 2961, 3213, 3619, 3927, 4653, 5049, 5593, 7191, 8789, 8883, 10857, 11781, 13959, 16779, 21573, 26367, 32571, 35343, 50337, 61523, 79101, 97713, 151011, 184569, 237303, 553707, 1661121]

約数ペア:

[(1, 1661121), (3, 553707), (7, 237303), (9, 184569), (11, 151011), (17, 97713), (21, 79101), (27, 61523), (33, 50337), (47, 35343), (51, 32571), (63, 26367), (77, 21573), (99, 16779), (119, 13959), (141, 11781), (153, 10857), (187, 8883), (189, 8789), (231, 7191), (297, 5593), (329, 5049), (357, 4653), (423, 3927), (459, 3619), (517, 3213), (561, 2961), (693, 2397), (799, 2079), (987, 1683), (1071, 1551), (1269, 1309)]