53953347

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 84902400

約数和(自身を除く): 30949053

約数列:

[1, 3, 7, 21, 43, 129, 149, 301, 401, 447, 903, 1043, 1203, 2807, 3129, 6407, 8421, 17243, 19221, 44849, 51729, 59749, 120701, 134547, 179247, 362103, 418243, 1254729, 2569207, 7707621, 17984449, 53953347]

約数ペア:

[(1, 53953347), (3, 17984449), (7, 7707621), (21, 2569207), (43, 1254729), (129, 418243), (149, 362103), (301, 179247), (401, 134547), (447, 120701), (903, 59749), (1043, 51729), (1203, 44849), (2807, 19221), (3129, 17243), (6407, 8421)]