16939377

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 31821504

約数和(自身を除く): 14882127

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 43, 63, 91, 111, 117, 129, 169, 259, 273, 301, 333, 387, 481, 507, 559, 777, 819, 903, 1183, 1443, 1521, 1591, 1677, 2331, 2709, 3367, 3549, 3913, 4329, 4773, 5031, 6253, 7267, 10101, 10647, 11137, 11739, 14319, 18759, 20683, 21801, 30303, 33411, 35217, 43771, 50869, 56277, 62049, 65403, 100233, 131313, 144781, 152607, 186147, 268879, 393939, 434343, 457821, 806637, 1303029, 1882153, 2419911, 5646459, 16939377]

約数ペア:

[(1, 16939377), (3, 5646459), (7, 2419911), (9, 1882153), (13, 1303029), (21, 806637), (37, 457821), (39, 434343), (43, 393939), (63, 268879), (91, 186147), (111, 152607), (117, 144781), (129, 131313), (169, 100233), (259, 65403), (273, 62049), (301, 56277), (333, 50869), (387, 43771), (481, 35217), (507, 33411), (559, 30303), (777, 21801), (819, 20683), (903, 18759), (1183, 14319), (1443, 11739), (1521, 11137), (1591, 10647), (1677, 10101), (2331, 7267), (2709, 6253), (3367, 5031), (3549, 4773), (3913, 4329)]