206778645

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{30431}}^1$

素因数の和:30593

約数の個数: 24

約数和(自身を含む): 360801792

約数和(自身を除く): 154023147

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 6795, 30431, 91293, 152155, 273879, 456465, 1369395, 4595081, 13785243, 22975405, 41355729, 68926215, 206778645]

約数ペア:

[(1, 206778645), (3, 68926215), (5, 41355729), (9, 22975405), (15, 13785243), (45, 4595081), (151, 1369395), (453, 456465), (755, 273879), (1359, 152155), (2265, 91293), (6795, 30431)]