42557481

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{3037}}^1$

素因数の和:3222

約数の個数: 20

約数和(自身を含む): 63962052

約数和(自身を除く): 21404571

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 3037, 4671, 9111, 14013, 27333, 81999, 245997, 525401, 1576203, 4728609, 14185827, 42557481]

約数ペア:

[(1, 42557481), (3, 14185827), (9, 4728609), (27, 1576203), (81, 525401), (173, 245997), (519, 81999), (1557, 27333), (3037, 14013), (4671, 9111)]