220145343

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 346012800

約数和(自身を除く): 125867457

約数列:

[1, 3, 11, 19, 33, 57, 59, 121, 177, 209, 363, 541, 627, 649, 1121, 1623, 1947, 2299, 3363, 5951, 6897, 7139, 10279, 12331, 17853, 21417, 30837, 31919, 36993, 65461, 95757, 113069, 135641, 196383, 339207, 351109, 406923, 606461, 1053327, 1243759, 1819383, 3731277, 3862199, 6671071, 11586597, 20013213, 73381781, 220145343]

約数ペア:

[(1, 220145343), (3, 73381781), (11, 20013213), (19, 11586597), (33, 6671071), (57, 3862199), (59, 3731277), (121, 1819383), (177, 1243759), (209, 1053327), (363, 606461), (541, 406923), (627, 351109), (649, 339207), (1121, 196383), (1623, 135641), (1947, 113069), (2299, 95757), (3363, 65461), (5951, 36993), (6897, 31919), (7139, 30837), (10279, 21417), (12331, 17853)]