211528503

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{6203}}^1$

素因数の和:6636

約数の個数: 20

約数和(自身を含む): 316788648

約数和(自身を除く): 105260145

約数列:

[1, 3, 9, 27, 81, 421, 1263, 3789, 6203, 11367, 18609, 34101, 55827, 167481, 502443, 2611463, 7834389, 23503167, 70509501, 211528503]

約数ペア:

[(1, 211528503), (3, 70509501), (9, 23503167), (27, 7834389), (81, 2611463), (421, 502443), (1263, 167481), (3789, 55827), (6203, 34101), (11367, 18609)]