2542785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 4737792

約数和(自身を除く): 2195007

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 397, 427, 915, 1191, 1281, 1985, 2135, 2779, 5955, 6405, 8337, 13895, 24217, 41685, 72651, 121085, 169519, 363255, 508557, 847595, 2542785]

約数ペア:

[(1, 2542785), (3, 847595), (5, 508557), (7, 363255), (15, 169519), (21, 121085), (35, 72651), (61, 41685), (105, 24217), (183, 13895), (305, 8337), (397, 6405), (427, 5955), (915, 2779), (1191, 2135), (1281, 1985)]