217848897

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1901}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 384538752

約数和(自身を除く): 166689855

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 107, 119, 153, 321, 357, 749, 963, 1071, 1819, 1901, 2247, 5457, 5703, 6741, 12733, 13307, 16371, 17109, 32317, 38199, 39921, 96951, 114597, 119763, 203407, 226219, 290853, 610221, 678657, 1423849, 1830663, 2035971, 3457919, 4271547, 10373757, 12814641, 24205433, 31121271, 72616299, 217848897]

約数ペア:

[(1, 217848897), (3, 72616299), (7, 31121271), (9, 24205433), (17, 12814641), (21, 10373757), (51, 4271547), (63, 3457919), (107, 2035971), (119, 1830663), (153, 1423849), (321, 678657), (357, 610221), (749, 290853), (963, 226219), (1071, 203407), (1819, 119763), (1901, 114597), (2247, 96951), (5457, 39921), (5703, 38199), (6741, 32317), (12733, 17109), (13307, 16371)]