1821078

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 4586400

約数和(自身を除く): 2765322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 149, 194, 291, 298, 447, 582, 679, 873, 894, 1043, 1341, 1358, 1746, 2037, 2086, 2682, 3129, 4074, 6111, 6258, 9387, 12222, 14453, 18774, 28906, 43359, 86718, 101171, 130077, 202342, 260154, 303513, 607026, 910539, 1821078]

約数ペア:

[(1, 1821078), (2, 910539), (3, 607026), (6, 303513), (7, 260154), (9, 202342), (14, 130077), (18, 101171), (21, 86718), (42, 43359), (63, 28906), (97, 18774), (126, 14453), (149, 12222), (194, 9387), (291, 6258), (298, 6111), (447, 4074), (582, 3129), (679, 2682), (873, 2086), (894, 2037), (1043, 1746), (1341, 1358)]