69904197

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{16421}}^1$

素因数の和:16481

約数の個数: 24

約数和(自身を含む): 112720608

約数和(自身を除く): 42816411

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 16421, 49263, 147789, 180631, 541893, 706103, 1625679, 2118309, 6354927, 7767133, 23301399, 69904197]

約数ペア:

[(1, 69904197), (3, 23301399), (9, 7767133), (11, 6354927), (33, 2118309), (43, 1625679), (99, 706103), (129, 541893), (387, 180631), (473, 147789), (1419, 49263), (4257, 16421)]