28018185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2711}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 49206528

約数和(自身を除く): 21188343

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 2067, 2711, 3445, 8133, 10335, 13555, 35243, 40665, 105729, 143683, 176215, 431049, 528645, 718415, 1867879, 2155245, 5603637, 9339395, 28018185]

約数ペア:

[(1, 28018185), (3, 9339395), (5, 5603637), (13, 2155245), (15, 1867879), (39, 718415), (53, 528645), (65, 431049), (159, 176215), (195, 143683), (265, 105729), (689, 40665), (795, 35243), (2067, 13555), (2711, 10335), (3445, 8133)]