27198351

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 17280369

約数列:

[1, 3, 9, 17, 23, 51, 59, 69, 131, 153, 177, 207, 391, 393, 531, 1003, 1173, 1179, 1357, 2227, 3009, 3013, 3519, 4071, 6681, 7729, 9027, 9039, 12213, 20043, 23069, 23187, 27117, 51221, 69207, 69561, 131393, 153663, 177767, 207621, 394179, 460989, 533301, 1182537, 1599903, 3022039, 9066117, 27198351]

約数ペア:

[(1, 27198351), (3, 9066117), (9, 3022039), (17, 1599903), (23, 1182537), (51, 533301), (59, 460989), (69, 394179), (131, 207621), (153, 177767), (177, 153663), (207, 131393), (391, 69561), (393, 69207), (531, 51221), (1003, 27117), (1173, 23187), (1179, 23069), (1357, 20043), (2227, 12213), (3009, 9039), (3013, 9027), (3519, 7729), (4071, 6681)]