201649095

素因数分解:

$3^4\times 5^1\times {\mathrm{497899}}^1$

素因数の和:497916

約数の個数: 20

約数和(自身を含む): 361475400

約数和(自身を除く): 159826305

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497899, 1493697, 2489495, 4481091, 7468485, 13443273, 22405455, 40329819, 67216365, 201649095]

約数ペア:

[(1, 201649095), (3, 67216365), (5, 40329819), (9, 22405455), (15, 13443273), (27, 7468485), (45, 4481091), (81, 2489495), (135, 1493697), (405, 497899)]