1307691

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 64

約数和(自身を含む): 2626560

約数和(自身を除く): 1318869

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 37, 51, 63, 77, 99, 111, 119, 153, 187, 189, 231, 259, 297, 333, 357, 407, 459, 561, 629, 693, 777, 999, 1071, 1221, 1309, 1683, 1887, 2079, 2331, 2849, 3213, 3663, 3927, 4403, 5049, 5661, 6919, 6993, 8547, 10989, 11781, 13209, 16983, 20757, 25641, 35343, 39627, 48433, 62271, 76923, 118881, 145299, 186813, 435897, 1307691]

約数ペア:

[(1, 1307691), (3, 435897), (7, 186813), (9, 145299), (11, 118881), (17, 76923), (21, 62271), (27, 48433), (33, 39627), (37, 35343), (51, 25641), (63, 20757), (77, 16983), (99, 13209), (111, 11781), (119, 10989), (153, 8547), (187, 6993), (189, 6919), (231, 5661), (259, 5049), (297, 4403), (333, 3927), (357, 3663), (407, 3213), (459, 2849), (561, 2331), (629, 2079), (693, 1887), (777, 1683), (999, 1309), (1071, 1221)]