25820505

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{991}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 46187520

約数和(自身を除く): 20367015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 579, 965, 991, 1737, 2895, 2973, 4955, 5211, 8685, 8919, 14865, 26055, 26757, 44595, 133785, 191263, 573789, 956315, 1721367, 2868945, 5164101, 8606835, 25820505]

約数ペア:

[(1, 25820505), (3, 8606835), (5, 5164101), (9, 2868945), (15, 1721367), (27, 956315), (45, 573789), (135, 191263), (193, 133785), (579, 44595), (965, 26757), (991, 26055), (1737, 14865), (2895, 8919), (2973, 8685), (4955, 5211)]