31897089

素因数分解:

$3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 54063360

約数和(自身を除く): 22166271

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 441, 453, 479, 1057, 1359, 1437, 3171, 3353, 4311, 7399, 9513, 10059, 22197, 23471, 30177, 66591, 70413, 72329, 211239, 216987, 506303, 650961, 1518909, 3544121, 4556727, 10632363, 31897089]

約数ペア:

[(1, 31897089), (3, 10632363), (7, 4556727), (9, 3544121), (21, 1518909), (49, 650961), (63, 506303), (147, 216987), (151, 211239), (441, 72329), (453, 70413), (479, 66591), (1057, 30177), (1359, 23471), (1437, 22197), (3171, 10059), (3353, 9513), (4311, 7399)]