31391469

素因数分解:

$3^6\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 42

約数和(自身を含む): 50332650

約数和(自身を除く): 18941181

約数列:

[1, 3, 9, 17, 27, 51, 81, 149, 153, 243, 289, 447, 459, 729, 867, 1341, 1377, 2533, 2601, 4023, 4131, 7599, 7803, 12069, 12393, 22797, 23409, 36207, 43061, 68391, 70227, 108621, 129183, 205173, 210681, 387549, 615519, 1162647, 1846557, 3487941, 10463823, 31391469]

約数ペア:

[(1, 31391469), (3, 10463823), (9, 3487941), (17, 1846557), (27, 1162647), (51, 615519), (81, 387549), (149, 210681), (153, 205173), (243, 129183), (289, 108621), (447, 70227), (459, 68391), (729, 43061), (867, 36207), (1341, 23409), (1377, 22797), (2533, 12393), (2601, 12069), (4023, 7803), (4131, 7599)]