31273938

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{2719}}^1$

素因数の和:2804

約数の個数: 40

約数和(自身を含む): 71089920

約数和(自身を除く): 39815982

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 2719, 3834, 5438, 5751, 8157, 11502, 16314, 24471, 48942, 73413, 146826, 193049, 220239, 386098, 440478, 579147, 1158294, 1737441, 3474882, 5212323, 10424646, 15636969, 31273938]

約数ペア:

[(1, 31273938), (2, 15636969), (3, 10424646), (6, 5212323), (9, 3474882), (18, 1737441), (27, 1158294), (54, 579147), (71, 440478), (81, 386098), (142, 220239), (162, 193049), (213, 146826), (426, 73413), (639, 48942), (1278, 24471), (1917, 16314), (2719, 11502), (3834, 8157), (5438, 5751)]