1818556947

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 2840463360

約数和(自身を除く): 1021906413

約数列:

[1, 3, 9, 27, 47, 67, 73, 141, 201, 219, 293, 423, 603, 657, 879, 1269, 1809, 1971, 2637, 3149, 3431, 4891, 7911, 9447, 10293, 13771, 14673, 19631, 21389, 28341, 30879, 41313, 44019, 58893, 64167, 85023, 92637, 123939, 132057, 176679, 192501, 229877, 371817, 530037, 577503, 689631, 922657, 1005283, 1433063, 2068893, 2767971, 3015849, 4299189, 6206679, 8303913, 9047547, 12897567, 24911739, 27142641, 38692701, 67353961, 202061883, 606185649, 1818556947]

約数ペア:

[(1, 1818556947), (3, 606185649), (9, 202061883), (27, 67353961), (47, 38692701), (67, 27142641), (73, 24911739), (141, 12897567), (201, 9047547), (219, 8303913), (293, 6206679), (423, 4299189), (603, 3015849), (657, 2767971), (879, 2068893), (1269, 1433063), (1809, 1005283), (1971, 922657), (2637, 689631), (3149, 577503), (3431, 530037), (4891, 371817), (7911, 229877), (9447, 192501), (10293, 176679), (13771, 132057), (14673, 123939), (19631, 92637), (21389, 85023), (28341, 64167), (30879, 58893), (41313, 44019)]