87491988

素因数分解:

$2^2\times 3^4\times {\mathrm{270037}}^1$

素因数の和:270053

約数の個数: 30

約数和(自身を含む): 228722186

約数和(自身を除く): 141230198

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 270037, 540074, 810111, 1080148, 1620222, 2430333, 3240444, 4860666, 7290999, 9721332, 14581998, 21872997, 29163996, 43745994, 87491988]

約数ペア:

[(1, 87491988), (2, 43745994), (3, 29163996), (4, 21872997), (6, 14581998), (9, 9721332), (12, 7290999), (18, 4860666), (27, 3240444), (36, 2430333), (54, 1620222), (81, 1080148), (108, 810111), (162, 540074), (324, 270037)]