15128325

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1034

約数の個数: 36

約数和(自身を含む): 27507168

約数和(自身を除く): 12378843

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 947, 1065, 1775, 2841, 3195, 4735, 5325, 8523, 14205, 15975, 23675, 42615, 67237, 71025, 201711, 213075, 336185, 605133, 1008555, 1680925, 3025665, 5042775, 15128325]

約数ペア:

[(1, 15128325), (3, 5042775), (5, 3025665), (9, 1680925), (15, 1008555), (25, 605133), (45, 336185), (71, 213075), (75, 201711), (213, 71025), (225, 67237), (355, 42615), (639, 23675), (947, 15975), (1065, 14205), (1775, 8523), (2841, 5325), (3195, 4735)]