81274025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1607}}^1$

素因数の和:1658

約数の個数: 36

約数和(自身を含む): 122426688

約数和(自身を除く): 41152663

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 289, 425, 595, 1445, 1607, 2023, 2975, 7225, 8035, 10115, 11249, 27319, 40175, 50575, 56245, 136595, 191233, 281225, 464423, 682975, 956165, 2322115, 3250961, 4780825, 11610575, 16254805, 81274025]

約数ペア:

[(1, 81274025), (5, 16254805), (7, 11610575), (17, 4780825), (25, 3250961), (35, 2322115), (85, 956165), (119, 682975), (175, 464423), (289, 281225), (425, 191233), (595, 136595), (1445, 56245), (1607, 50575), (2023, 40175), (2975, 27319), (7225, 11249), (8035, 10115)]