1920285

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 3363360

約数和(自身を除く): 1443075

約数列:

[1, 3, 5, 9, 15, 45, 139, 307, 417, 695, 921, 1251, 1535, 2085, 2763, 4605, 6255, 13815, 42673, 128019, 213365, 384057, 640095, 1920285]

約数ペア:

[(1, 1920285), (3, 640095), (5, 384057), (9, 213365), (15, 128019), (45, 42673), (139, 13815), (307, 6255), (417, 4605), (695, 2763), (921, 2085), (1251, 1535)]