215422207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{701}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 290594304

約数和(自身を除く): 75172097

約数列:

[1, 7, 11, 13, 77, 91, 143, 307, 701, 1001, 2149, 3377, 3991, 4907, 7711, 9113, 23639, 27937, 43901, 53977, 63791, 100243, 215207, 307307, 701701, 1506449, 2367277, 2797691, 16570939, 19583837, 30774601, 215422207]

約数ペア:

[(1, 215422207), (7, 30774601), (11, 19583837), (13, 16570939), (77, 2797691), (91, 2367277), (143, 1506449), (307, 701701), (701, 307307), (1001, 215207), (2149, 100243), (3377, 63791), (3991, 53977), (4907, 43901), (7711, 27937), (9113, 23639)]