1855496727

素因数分解:

$3^{10}\times 7^1\times {\mathrm{67}}^2$

素因数の和:171

約数の個数: 66

約数和(自身を含む): 3229017288

約数和(自身を除く): 1373520561

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 243, 469, 567, 603, 729, 1407, 1701, 1809, 2187, 4221, 4489, 5103, 5427, 6561, 12663, 13467, 15309, 16281, 19683, 31423, 37989, 40401, 45927, 48843, 59049, 94269, 113967, 121203, 137781, 146529, 282807, 341901, 363609, 413343, 439587, 848421, 1025703, 1090827, 1318761, 2545263, 3077109, 3272481, 3956283, 7635789, 9231327, 9817443, 22907367, 27693981, 29452329, 68722101, 88356987, 206166303, 265070961, 618498909, 1855496727]

約数ペア:

[(1, 1855496727), (3, 618498909), (7, 265070961), (9, 206166303), (21, 88356987), (27, 68722101), (63, 29452329), (67, 27693981), (81, 22907367), (189, 9817443), (201, 9231327), (243, 7635789), (469, 3956283), (567, 3272481), (603, 3077109), (729, 2545263), (1407, 1318761), (1701, 1090827), (1809, 1025703), (2187, 848421), (4221, 439587), (4489, 413343), (5103, 363609), (5427, 341901), (6561, 282807), (12663, 146529), (13467, 137781), (15309, 121203), (16281, 113967), (19683, 94269), (31423, 59049), (37989, 48843), (40401, 45927)]