212006847

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13903}}^1$

素因数の和:13959

約数の個数: 32

約数和(自身を含む): 336365568

約数和(自身を除く): 124358721

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 5083, 13903, 15249, 41709, 180739, 236351, 319769, 542217, 709053, 959307, 3072563, 4156997, 5436073, 9217689, 12470991, 16308219, 70668949, 212006847]

約数ペア:

[(1, 212006847), (3, 70668949), (13, 16308219), (17, 12470991), (23, 9217689), (39, 5436073), (51, 4156997), (69, 3072563), (221, 959307), (299, 709053), (391, 542217), (663, 319769), (897, 236351), (1173, 180739), (5083, 41709), (13903, 15249)]