81777345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1559}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 141523200

約数和(自身を除く): 59745855

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 269, 807, 1345, 1559, 3497, 4035, 4677, 7795, 10491, 17485, 20267, 23385, 52455, 60801, 101335, 304005, 419371, 1258113, 2096855, 5451823, 6290565, 16355469, 27259115, 81777345]

約数ペア:

[(1, 81777345), (3, 27259115), (5, 16355469), (13, 6290565), (15, 5451823), (39, 2096855), (65, 1258113), (195, 419371), (269, 304005), (807, 101335), (1345, 60801), (1559, 52455), (3497, 23385), (4035, 20267), (4677, 17485), (7795, 10491)]