17972025

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{8263}}^1$

素因数の和:8305

約数の個数: 24

約数和(自身を含む): 30742080

約数和(自身を除く): 12770055

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 8263, 24789, 41315, 123945, 206575, 239627, 619725, 718881, 1198135, 3594405, 5990675, 17972025]

約数ペア:

[(1, 17972025), (3, 5990675), (5, 3594405), (15, 1198135), (25, 718881), (29, 619725), (75, 239627), (87, 206575), (145, 123945), (435, 41315), (725, 24789), (2175, 8263)]