207621

素因数分解:

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

素因数の和:105

約数の個数: 24

約数和(自身を含む): 336960

約数和(自身を除く): 129339

約数列:

[1, 3, 9, 17, 23, 51, 59, 69, 153, 177, 207, 391, 531, 1003, 1173, 1357, 3009, 3519, 4071, 9027, 12213, 23069, 69207, 207621]

約数ペア:

[(1, 207621), (3, 69207), (9, 23069), (17, 12213), (23, 9027), (51, 4071), (59, 3519), (69, 3009), (153, 1357), (177, 1173), (207, 1003), (391, 531)]