1630215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 2993328

約数和(自身を除く): 1363113

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2131, 6393, 10655, 19179, 31965, 36227, 95895, 108681, 181135, 326043, 543405, 1630215]

約数ペア:

[(1, 1630215), (3, 543405), (5, 326043), (9, 181135), (15, 108681), (17, 95895), (45, 36227), (51, 31965), (85, 19179), (153, 10655), (255, 6393), (765, 2131)]