80821839

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8807}}^1$

素因数の和:8859

約数の個数: 32

約数和(自身を含む): 135290880

約数和(自身を除く): 54469041

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 8807, 9177, 26421, 61649, 167333, 184947, 202561, 501999, 607683, 1171331, 1417927, 3513993, 3848659, 4253781, 11545977, 26940613, 80821839]

約数ペア:

[(1, 80821839), (3, 26940613), (7, 11545977), (19, 4253781), (21, 3848659), (23, 3513993), (57, 1417927), (69, 1171331), (133, 607683), (161, 501999), (399, 202561), (437, 184947), (483, 167333), (1311, 61649), (3059, 26421), (8807, 9177)]