31211163

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 18758757

約数列:

[1, 3, 9, 27, 29, 43, 81, 87, 103, 129, 243, 261, 309, 387, 783, 927, 1161, 1247, 2349, 2781, 2987, 3483, 3741, 4429, 7047, 8343, 8961, 10449, 11223, 13287, 25029, 26883, 33669, 39861, 80649, 101007, 119583, 128441, 241947, 303021, 358749, 385323, 725841, 1076247, 1155969, 3467907, 10403721, 31211163]

約数ペア:

[(1, 31211163), (3, 10403721), (9, 3467907), (27, 1155969), (29, 1076247), (43, 725841), (81, 385323), (87, 358749), (103, 303021), (129, 241947), (243, 128441), (261, 119583), (309, 101007), (387, 80649), (783, 39861), (927, 33669), (1161, 26883), (1247, 25029), (2349, 13287), (2781, 11223), (2987, 10449), (3483, 8961), (3741, 8343), (4429, 7047)]