90887853

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 142636032

約数和(自身を除く): 51748179

約数列:

[1, 3, 7, 21, 43, 129, 251, 301, 401, 753, 903, 1203, 1757, 2807, 5271, 8421, 10793, 17243, 32379, 51729, 75551, 100651, 120701, 226653, 301953, 362103, 704557, 2113671, 4327993, 12983979, 30295951, 90887853]

約数ペア:

[(1, 90887853), (3, 30295951), (7, 12983979), (21, 4327993), (43, 2113671), (129, 704557), (251, 362103), (301, 301953), (401, 226653), (753, 120701), (903, 100651), (1203, 75551), (1757, 51729), (2807, 32379), (5271, 17243), (8421, 10793)]