221798913

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{24169}}^1$

素因数の和:24221

約数の個数: 32

約数和(自身を含む): 371251200

約数和(自身を除く): 149452287

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 9177, 24169, 72507, 169183, 459211, 507549, 555887, 1377633, 1667661, 3214477, 3891209, 9643431, 10561853, 11673627, 31685559, 73932971, 221798913]

約数ペア:

[(1, 221798913), (3, 73932971), (7, 31685559), (19, 11673627), (21, 10561853), (23, 9643431), (57, 3891209), (69, 3214477), (133, 1667661), (161, 1377633), (399, 555887), (437, 507549), (483, 459211), (1311, 169183), (3059, 72507), (9177, 24169)]