890415

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 1579968

約数和(自身を除く): 689553

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 421, 423, 705, 1263, 2105, 2115, 3789, 6315, 18945, 19787, 59361, 98935, 178083, 296805, 890415]

約数ペア:

[(1, 890415), (3, 296805), (5, 178083), (9, 98935), (15, 59361), (45, 19787), (47, 18945), (141, 6315), (235, 3789), (421, 2115), (423, 2105), (705, 1263)]