7428375

素因数分解:

$3^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 14376960

約数和(自身を除く): 6948585

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 71, 75, 93, 125, 135, 155, 213, 225, 279, 355, 375, 465, 639, 675, 775, 837, 1065, 1125, 1395, 1775, 1917, 2201, 2325, 3195, 3375, 3875, 4185, 5325, 6603, 6975, 8875, 9585, 11005, 11625, 15975, 19809, 20925, 26625, 33015, 34875, 47925, 55025, 59427, 79875, 99045, 104625, 165075, 239625, 275125, 297135, 495225, 825375, 1485675, 2476125, 7428375]

約数ペア:

[(1, 7428375), (3, 2476125), (5, 1485675), (9, 825375), (15, 495225), (25, 297135), (27, 275125), (31, 239625), (45, 165075), (71, 104625), (75, 99045), (93, 79875), (125, 59427), (135, 55025), (155, 47925), (213, 34875), (225, 33015), (279, 26625), (355, 20925), (375, 19809), (465, 15975), (639, 11625), (675, 11005), (775, 9585), (837, 8875), (1065, 6975), (1125, 6603), (1395, 5325), (1775, 4185), (1917, 3875), (2201, 3375), (2325, 3195)]