820248121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{32183}}^1$

素因数の和:32532

約数の個数: 16

約数和(自身を含む): 1025768448

約数和(自身を除く): 205520327

約数列:

[1, 7, 11, 77, 331, 2317, 3641, 25487, 32183, 225281, 354013, 2478091, 10652573, 74568011, 117178303, 820248121]

約数ペア:

[(1, 820248121), (7, 117178303), (11, 74568011), (77, 10652573), (331, 2478091), (2317, 354013), (3641, 225281), (25487, 32183)]