181358793

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 338496704

約数和(自身を除く): 157137911

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 121, 231, 259, 333, 363, 407, 643, 693, 777, 847, 1089, 1221, 1929, 2331, 2541, 2849, 3663, 4477, 4501, 5787, 7073, 7623, 8547, 13431, 13503, 21219, 23791, 25641, 31339, 40293, 40509, 49511, 63657, 71373, 77803, 94017, 148533, 166537, 214119, 233409, 261701, 282051, 445599, 499611, 544621, 700227, 785103, 1498833, 1633863, 1831907, 2355309, 2878711, 4901589, 5495721, 8636133, 16487163, 20150977, 25908399, 60452931, 181358793]

約数ペア:

[(1, 181358793), (3, 60452931), (7, 25908399), (9, 20150977), (11, 16487163), (21, 8636133), (33, 5495721), (37, 4901589), (63, 2878711), (77, 2355309), (99, 1831907), (111, 1633863), (121, 1498833), (231, 785103), (259, 700227), (333, 544621), (363, 499611), (407, 445599), (643, 282051), (693, 261701), (777, 233409), (847, 214119), (1089, 166537), (1221, 148533), (1929, 94017), (2331, 77803), (2541, 71373), (2849, 63657), (3663, 49511), (4477, 40509), (4501, 40293), (5787, 31339), (7073, 25641), (7623, 23791), (8547, 21219), (13431, 13503)]