78858975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2844

約数の個数: 48

約数和(自身を含む): 145303200

約数和(自身を除く): 66444225

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 195, 325, 377, 435, 725, 975, 1131, 1885, 2175, 2789, 5655, 8367, 9425, 13945, 28275, 36257, 41835, 69725, 80881, 108771, 181285, 209175, 242643, 404405, 543855, 906425, 1051453, 1213215, 2022025, 2719275, 3154359, 5257265, 6066075, 15771795, 26286325, 78858975]

約数ペア:

[(1, 78858975), (3, 26286325), (5, 15771795), (13, 6066075), (15, 5257265), (25, 3154359), (29, 2719275), (39, 2022025), (65, 1213215), (75, 1051453), (87, 906425), (145, 543855), (195, 404405), (325, 242643), (377, 209175), (435, 181285), (725, 108771), (975, 80881), (1131, 69725), (1885, 41835), (2175, 36257), (2789, 28275), (5655, 13945), (8367, 9425)]