138889107

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38677}}^1$

素因数の和:38712

約数の個数: 32

約数和(自身を含む): 247539200

約数和(自身を除く): 108650093

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 38677, 116031, 270739, 348093, 734863, 812217, 1044279, 2204589, 2436651, 5144041, 6613767, 7309953, 15432123, 19841301, 46296369, 138889107]

約数ペア:

[(1, 138889107), (3, 46296369), (7, 19841301), (9, 15432123), (19, 7309953), (21, 6613767), (27, 5144041), (57, 2436651), (63, 2204589), (133, 1044279), (171, 812217), (189, 734863), (399, 348093), (513, 270739), (1197, 116031), (3591, 38677)]