207983139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 363740160

約数和(自身を除く): 155757021

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 101, 133, 247, 273, 303, 397, 399, 707, 741, 1191, 1313, 1729, 1919, 2121, 2779, 3939, 5161, 5187, 5757, 7543, 8337, 9191, 13433, 15483, 22629, 24947, 27573, 36127, 40097, 40299, 52801, 74841, 98059, 108381, 120291, 158403, 174629, 280679, 294177, 521261, 523887, 686413, 761843, 842037, 1563783, 2059239, 2285529, 3648827, 5332901, 9903959, 10946481, 15998703, 29711877, 69327713, 207983139]

約数ペア:

[(1, 207983139), (3, 69327713), (7, 29711877), (13, 15998703), (19, 10946481), (21, 9903959), (39, 5332901), (57, 3648827), (91, 2285529), (101, 2059239), (133, 1563783), (247, 842037), (273, 761843), (303, 686413), (397, 523887), (399, 521261), (707, 294177), (741, 280679), (1191, 174629), (1313, 158403), (1729, 120291), (1919, 108381), (2121, 98059), (2779, 74841), (3939, 52801), (5161, 40299), (5187, 40097), (5757, 36127), (7543, 27573), (8337, 24947), (9191, 22629), (13433, 15483)]