28547325

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1874

約数の個数: 36

約数和(自身を含む): 51880608

約数和(自身を除く): 23333283

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 1787, 3195, 5325, 5361, 8935, 15975, 16083, 26805, 44675, 80415, 126877, 134025, 380631, 402075, 634385, 1141893, 1903155, 3171925, 5709465, 9515775, 28547325]

約数ペア:

[(1, 28547325), (3, 9515775), (5, 5709465), (9, 3171925), (15, 1903155), (25, 1141893), (45, 634385), (71, 402075), (75, 380631), (213, 134025), (225, 126877), (355, 80415), (639, 44675), (1065, 26805), (1775, 16083), (1787, 15975), (3195, 8935), (5325, 5361)]