27979983

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 44928000

約数和(自身を除く): 16948017

約数列:

[1, 3, 9, 23, 29, 59, 69, 79, 87, 177, 207, 237, 261, 531, 667, 711, 1357, 1711, 1817, 2001, 2291, 4071, 4661, 5133, 5451, 6003, 6873, 12213, 13983, 15399, 16353, 20619, 39353, 41949, 52693, 107203, 118059, 135169, 158079, 321609, 354177, 405507, 474237, 964827, 1216521, 3108887, 9326661, 27979983]

約数ペア:

[(1, 27979983), (3, 9326661), (9, 3108887), (23, 1216521), (29, 964827), (59, 474237), (69, 405507), (79, 354177), (87, 321609), (177, 158079), (207, 135169), (237, 118059), (261, 107203), (531, 52693), (667, 41949), (711, 39353), (1357, 20619), (1711, 16353), (1817, 15399), (2001, 13983), (2291, 12213), (4071, 6873), (4661, 6003), (5133, 5451)]