7628355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 15397824

約数和(自身を除く): 7769469

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 397, 427, 549, 915, 1191, 1281, 1985, 2135, 2745, 2779, 3573, 3843, 5955, 6405, 8337, 13895, 17865, 19215, 24217, 25011, 41685, 72651, 121085, 125055, 169519, 217953, 363255, 508557, 847595, 1089765, 1525671, 2542785, 7628355]

約数ペア:

[(1, 7628355), (3, 2542785), (5, 1525671), (7, 1089765), (9, 847595), (15, 508557), (21, 363255), (35, 217953), (45, 169519), (61, 125055), (63, 121085), (105, 72651), (183, 41685), (305, 25011), (315, 24217), (397, 19215), (427, 17865), (549, 13895), (915, 8337), (1191, 6405), (1281, 5955), (1985, 3843), (2135, 3573), (2745, 2779)]