20190645

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26393}}^1$

素因数の和:26421

約数の個数: 24

約数和(自身を含む): 37057176

約数和(自身を除く): 16866531

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26393, 79179, 131965, 237537, 395895, 448681, 1187685, 1346043, 2243405, 4038129, 6730215, 20190645]

約数ペア:

[(1, 20190645), (3, 6730215), (5, 4038129), (9, 2243405), (15, 1346043), (17, 1187685), (45, 448681), (51, 395895), (85, 237537), (153, 131965), (255, 79179), (765, 26393)]