1291875

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:89

約数の個数: 40

約数和(自身を含む): 2361744

約数和(自身を除く): 1069869

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 125, 159, 195, 265, 325, 375, 625, 689, 795, 975, 1325, 1625, 1875, 2067, 3445, 3975, 4875, 6625, 8125, 10335, 17225, 19875, 24375, 33125, 51675, 86125, 99375, 258375, 430625, 1291875]

約数ペア:

[(1, 1291875), (3, 430625), (5, 258375), (13, 99375), (15, 86125), (25, 51675), (39, 33125), (53, 24375), (65, 19875), (75, 17225), (125, 10335), (159, 8125), (195, 6625), (265, 4875), (325, 3975), (375, 3445), (625, 2067), (689, 1875), (795, 1625), (975, 1325)]