80272815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40237}}^1$

素因数の和:40271

約数の個数: 32

約数和(自身を含む): 154513920

約数和(自身を除く): 74241105

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 40237, 120711, 201185, 281659, 603555, 764503, 844977, 1408295, 2293509, 3822515, 4224885, 5351521, 11467545, 16054563, 26757605, 80272815]

約数ペア:

[(1, 80272815), (3, 26757605), (5, 16054563), (7, 11467545), (15, 5351521), (19, 4224885), (21, 3822515), (35, 2293509), (57, 1408295), (95, 844977), (105, 764503), (133, 603555), (285, 281659), (399, 201185), (665, 120711), (1995, 40237)]