80405913

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{3671}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 125582400

約数和(自身を除く): 45176487

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 3129, 3671, 7301, 11013, 21903, 25697, 77091, 179879, 539637, 546979, 1640937, 3828853, 11486559, 26801971, 80405913]

約数ペア:

[(1, 80405913), (3, 26801971), (7, 11486559), (21, 3828853), (49, 1640937), (147, 546979), (149, 539637), (447, 179879), (1043, 77091), (3129, 25697), (3671, 21903), (7301, 11013)]