1728420351

素因数分解:

$3^1\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{68531}}^1$

素因数の和:69742

約数の個数: 16

約数和(自身を含む): 2636014848

約数和(自身を除く): 907594497

約数列:

[1, 3, 7, 21, 1201, 3603, 8407, 25221, 68531, 205593, 479717, 1439151, 82305731, 246917193, 576140117, 1728420351]

約数ペア:

[(1, 1728420351), (3, 576140117), (7, 246917193), (21, 82305731), (1201, 1439151), (3603, 479717), (8407, 205593), (25221, 68531)]