89971155

素因数分解:

$3^4\times 5^1\times {\mathrm{222151}}^1$

素因数の和:222168

約数の個数: 20

約数和(自身を含む): 161282352

約数和(自身を除く): 71311197

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 222151, 666453, 1110755, 1999359, 3332265, 5998077, 9996795, 17994231, 29990385, 89971155]

約数ペア:

[(1, 89971155), (3, 29990385), (5, 17994231), (9, 9996795), (15, 5998077), (27, 3332265), (45, 1999359), (81, 1110755), (135, 666453), (405, 222151)]