128772009

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{3257}}^1$

素因数の和:3477

約数の個数: 24

約数和(自身を含む): 195167232

約数和(自身を除く): 66395223

約数列:

[1, 3, 9, 23, 69, 191, 207, 573, 1719, 3257, 4393, 9771, 13179, 29313, 39537, 74911, 224733, 622087, 674199, 1866261, 5598783, 14308001, 42924003, 128772009]

約数ペア:

[(1, 128772009), (3, 42924003), (9, 14308001), (23, 5598783), (69, 1866261), (191, 674199), (207, 622087), (573, 224733), (1719, 74911), (3257, 39537), (4393, 29313), (9771, 13179)]