209667401019

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{2027}}^1\times {\mathrm{123581}}^1$

素因数の和:125648

約数の個数: 32

約数和(自身を含む): 320799098880

約数和(自身を除く): 111131697861

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 2027, 6081, 18243, 54729, 62837, 123581, 188511, 370743, 565533, 1112229, 1696599, 3336687, 3831011, 11493033, 34479099, 103437297, 250498687, 751496061, 2254488183, 6763464549, 7765459297, 23296377891, 69889133673, 209667401019]

約数ペア:

[(1, 209667401019), (3, 69889133673), (9, 23296377891), (27, 7765459297), (31, 6763464549), (93, 2254488183), (279, 751496061), (837, 250498687), (2027, 103437297), (6081, 34479099), (18243, 11493033), (54729, 3831011), (62837, 3336687), (123581, 1696599), (188511, 1112229), (370743, 565533)]