31681971

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3733}}^1$

素因数の和:3803

約数の個数: 24

約数和(自身を含む): 48930336

約数和(自身を除く): 17248365

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2829, 3733, 8487, 11199, 33597, 85859, 153053, 257577, 459159, 772731, 1377477, 3520219, 10560657, 31681971]

約数ペア:

[(1, 31681971), (3, 10560657), (9, 3520219), (23, 1377477), (41, 772731), (69, 459159), (123, 257577), (207, 153053), (369, 85859), (943, 33597), (2829, 11199), (3733, 8487)]