1990215

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 3526848

約数和(自身を除く): 1536633

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 941, 2115, 2823, 4705, 8469, 14115, 42345, 44227, 132681, 221135, 398043, 663405, 1990215]

約数ペア:

[(1, 1990215), (3, 663405), (5, 398043), (9, 221135), (15, 132681), (45, 44227), (47, 42345), (141, 14115), (235, 8469), (423, 4705), (705, 2823), (941, 2115)]