65428125

素因数分解:

$3^1\times 5^5\times 7^1\times {\mathrm{997}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 124742016

約数和(自身を除く): 59313891

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 625, 875, 997, 1875, 2625, 2991, 3125, 4375, 4985, 6979, 9375, 13125, 14955, 20937, 21875, 24925, 34895, 65625, 74775, 104685, 124625, 174475, 373875, 523425, 623125, 872375, 1869375, 2617125, 3115625, 4361875, 9346875, 13085625, 21809375, 65428125]

約数ペア:

[(1, 65428125), (3, 21809375), (5, 13085625), (7, 9346875), (15, 4361875), (21, 3115625), (25, 2617125), (35, 1869375), (75, 872375), (105, 623125), (125, 523425), (175, 373875), (375, 174475), (525, 124625), (625, 104685), (875, 74775), (997, 65625), (1875, 34895), (2625, 24925), (2991, 21875), (3125, 20937), (4375, 14955), (4985, 13125), (6979, 9375)]