72169083

素因数分解:

$3^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{907}}^1$

素因数の和:1344

約数の個数: 32

約数和(自身を含む): 122616320

約数和(自身を除く): 50447237

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 421, 907, 1263, 2721, 2947, 3789, 6349, 8163, 8841, 11367, 19047, 24489, 26523, 57141, 79569, 171423, 381847, 1145541, 2672929, 3436623, 8018787, 10309869, 24056361, 72169083]

約数ペア:

[(1, 72169083), (3, 24056361), (7, 10309869), (9, 8018787), (21, 3436623), (27, 2672929), (63, 1145541), (189, 381847), (421, 171423), (907, 79569), (1263, 57141), (2721, 26523), (2947, 24489), (3789, 19047), (6349, 11367), (8163, 8841)]