81370845

素因数分解:

$3^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1373}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 145094400

約数和(自身を除く): 63723555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 439, 1317, 1373, 2195, 3951, 4119, 6585, 6865, 11853, 12357, 19755, 20595, 37071, 59265, 61785, 185355, 602747, 1808241, 3013735, 5424723, 9041205, 16274169, 27123615, 81370845]

約数ペア:

[(1, 81370845), (3, 27123615), (5, 16274169), (9, 9041205), (15, 5424723), (27, 3013735), (45, 1808241), (135, 602747), (439, 185355), (1317, 61785), (1373, 59265), (2195, 37071), (3951, 20595), (4119, 19755), (6585, 12357), (6865, 11853)]