31216131

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 50042880

約数和(自身を除く): 18826749

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 799, 1269, 1447, 2397, 4341, 7191, 13023, 21573, 24599, 39069, 68009, 73797, 204027, 221391, 612081, 664173, 1156153, 1836243, 3468459, 10405377, 31216131]

約数ペア:

[(1, 31216131), (3, 10405377), (9, 3468459), (17, 1836243), (27, 1156153), (47, 664173), (51, 612081), (141, 221391), (153, 204027), (423, 73797), (459, 68009), (799, 39069), (1269, 24599), (1447, 21573), (2397, 13023), (4341, 7191)]