31118721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{3527}}^1$

素因数の和:3720

約数の個数: 16

約数和(自身を含む): 44198784

約数和(自身を除く): 13080063

約数列:

[1, 3, 17, 51, 173, 519, 2941, 3527, 8823, 10581, 59959, 179877, 610171, 1830513, 10372907, 31118721]

約数ペア:

[(1, 31118721), (3, 10372907), (17, 1830513), (51, 610171), (173, 179877), (519, 59959), (2941, 10581), (3527, 8823)]