31131090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1811}}^1$

素因数の和:2015

約数の個数: 48

約数和(自身を含む): 81409536

約数和(自身を除く): 50278446

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 573, 955, 1146, 1719, 1811, 1910, 2865, 3438, 3622, 5433, 5730, 8595, 9055, 10866, 16299, 17190, 18110, 27165, 32598, 54330, 81495, 162990, 345901, 691802, 1037703, 1729505, 2075406, 3113109, 3459010, 5188515, 6226218, 10377030, 15565545, 31131090]

約数ペア:

[(1, 31131090), (2, 15565545), (3, 10377030), (5, 6226218), (6, 5188515), (9, 3459010), (10, 3113109), (15, 2075406), (18, 1729505), (30, 1037703), (45, 691802), (90, 345901), (191, 162990), (382, 81495), (573, 54330), (955, 32598), (1146, 27165), (1719, 18110), (1811, 17190), (1910, 16299), (2865, 10866), (3438, 9055), (3622, 8595), (5433, 5730)]