7864425

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 14760960

約数和(自身を除く): 6896535

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 191, 225, 305, 549, 573, 675, 915, 955, 1525, 1647, 1719, 2745, 2865, 4575, 4775, 5157, 8235, 8595, 11651, 13725, 14325, 25785, 34953, 41175, 42975, 58255, 104859, 128925, 174765, 291275, 314577, 524295, 873825, 1572885, 2621475, 7864425]

約数ペア:

[(1, 7864425), (3, 2621475), (5, 1572885), (9, 873825), (15, 524295), (25, 314577), (27, 291275), (45, 174765), (61, 128925), (75, 104859), (135, 58255), (183, 42975), (191, 41175), (225, 34953), (305, 25785), (549, 14325), (573, 13725), (675, 11651), (915, 8595), (955, 8235), (1525, 5157), (1647, 4775), (1719, 4575), (2745, 2865)]