321280281

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{64553}}^1$

素因数の和:64645

約数の個数: 24

約数和(自身を含む): 537089280

約数和(自身を除く): 215808999

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 64553, 193659, 451871, 580977, 1355613, 4066839, 5099687, 15299061, 35697809, 45897183, 107093427, 321280281]

約数ペア:

[(1, 321280281), (3, 107093427), (7, 45897183), (9, 35697809), (21, 15299061), (63, 5099687), (79, 4066839), (237, 1355613), (553, 580977), (711, 451871), (1659, 193659), (4977, 64553)]