2140047

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:109

約数の個数: 48

約数和(自身を含む): 3982080

約数和(自身を除く): 1842033

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 67, 91, 117, 169, 189, 201, 273, 351, 469, 507, 603, 819, 871, 1183, 1407, 1521, 1809, 2457, 2613, 3549, 4221, 4563, 6097, 7839, 10647, 11323, 12663, 18291, 23517, 31941, 33969, 54873, 79261, 101907, 164619, 237783, 305721, 713349, 2140047]

約数ペア:

[(1, 2140047), (3, 713349), (7, 305721), (9, 237783), (13, 164619), (21, 101907), (27, 79261), (39, 54873), (63, 33969), (67, 31941), (91, 23517), (117, 18291), (169, 12663), (189, 11323), (201, 10647), (273, 7839), (351, 6097), (469, 4563), (507, 4221), (603, 3549), (819, 2613), (871, 2457), (1183, 1809), (1407, 1521)]