11888253

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 20180160

約数和(自身を除く): 8291907

約数列:

[1, 3, 9, 13, 17, 39, 43, 51, 117, 129, 139, 153, 221, 387, 417, 559, 663, 731, 1251, 1677, 1807, 1989, 2193, 2363, 5031, 5421, 5977, 6579, 7089, 9503, 16263, 17931, 21267, 28509, 30719, 53793, 77701, 85527, 92157, 101609, 233103, 276471, 304827, 699309, 914481, 1320917, 3962751, 11888253]

約数ペア:

[(1, 11888253), (3, 3962751), (9, 1320917), (13, 914481), (17, 699309), (39, 304827), (43, 276471), (51, 233103), (117, 101609), (129, 92157), (139, 85527), (153, 77701), (221, 53793), (387, 30719), (417, 28509), (559, 21267), (663, 17931), (731, 16263), (1251, 9503), (1677, 7089), (1807, 6579), (1989, 5977), (2193, 5421), (2363, 5031)]