90991125

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2839

約数の個数: 48

約数和(自身を含む): 169743600

約数和(自身を除く): 78752475

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 725, 1125, 1305, 2175, 2789, 3625, 6525, 8367, 10875, 13945, 25101, 32625, 41835, 69725, 80881, 125505, 209175, 242643, 348625, 404405, 627525, 727929, 1045875, 1213215, 2022025, 3137625, 3639645, 6066075, 10110125, 18198225, 30330375, 90991125]

約数ペア:

[(1, 90991125), (3, 30330375), (5, 18198225), (9, 10110125), (15, 6066075), (25, 3639645), (29, 3137625), (45, 2022025), (75, 1213215), (87, 1045875), (125, 727929), (145, 627525), (225, 404405), (261, 348625), (375, 242643), (435, 209175), (725, 125505), (1125, 80881), (1305, 69725), (2175, 41835), (2789, 32625), (3625, 25101), (6525, 13945), (8367, 10875)]