205416657

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1801}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 337334400

約数和(自身を除く): 131917743

約数列:

[1, 3, 9, 19, 23, 29, 57, 69, 87, 171, 207, 261, 437, 551, 667, 1311, 1653, 1801, 2001, 3933, 4959, 5403, 6003, 12673, 16209, 34219, 38019, 41423, 52229, 102657, 114057, 124269, 156687, 307971, 372807, 470061, 787037, 992351, 1201267, 2361111, 2977053, 3603801, 7083333, 8931159, 10811403, 22824073, 68472219, 205416657]

約数ペア:

[(1, 205416657), (3, 68472219), (9, 22824073), (19, 10811403), (23, 8931159), (29, 7083333), (57, 3603801), (69, 2977053), (87, 2361111), (171, 1201267), (207, 992351), (261, 787037), (437, 470061), (551, 372807), (667, 307971), (1311, 156687), (1653, 124269), (1801, 114057), (2001, 102657), (3933, 52229), (4959, 41423), (5403, 38019), (6003, 34219), (12673, 16209)]