1217996919

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{797}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 1928734080

約数和(自身を除く): 710737161

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 331, 513, 797, 993, 1539, 2391, 2979, 4617, 6289, 7173, 8937, 15143, 18867, 21519, 26811, 45429, 56601, 64557, 80433, 136287, 169803, 193671, 263807, 408861, 509409, 791421, 1226583, 1528227, 2374263, 3679749, 5012333, 7122789, 15036999, 21368367, 45110997, 64105101, 135332991, 405998973, 1217996919]

約数ペア:

[(1, 1217996919), (3, 405998973), (9, 135332991), (19, 64105101), (27, 45110997), (57, 21368367), (81, 15036999), (171, 7122789), (243, 5012333), (331, 3679749), (513, 2374263), (797, 1528227), (993, 1226583), (1539, 791421), (2391, 509409), (2979, 408861), (4617, 263807), (6289, 193671), (7173, 169803), (8937, 136287), (15143, 80433), (18867, 64557), (21519, 56601), (26811, 45429)]