31690799

素因数分解:

$7^4\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 20

約数和(自身を含む): 37712664

約数和(自身を除く): 6021865

約数列:

[1, 7, 49, 67, 197, 343, 469, 1379, 2401, 3283, 9653, 13199, 22981, 67571, 92393, 160867, 472997, 646751, 4527257, 31690799]

約数ペア:

[(1, 31690799), (7, 4527257), (49, 646751), (67, 472997), (197, 160867), (343, 92393), (469, 67571), (1379, 22981), (2401, 13199), (3283, 9653)]