208031481

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{143569}}^1$

素因数の和:143605

約数の個数: 24

約数和(自身を含む): 358350720

約数和(自身を除く): 150319239

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 143569, 430707, 1004983, 1292121, 3014949, 3302087, 9044847, 9906261, 23114609, 29718783, 69343827, 208031481]

約数ペア:

[(1, 208031481), (3, 69343827), (7, 29718783), (9, 23114609), (21, 9906261), (23, 9044847), (63, 3302087), (69, 3014949), (161, 1292121), (207, 1004983), (483, 430707), (1449, 143569)]