40545441

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{6857}}^1$

素因数の和:6942

約数の個数: 20

約数和(自身を含む): 61406532

約数和(自身を除く): 20861091

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 6857, 20571, 61713, 185139, 500561, 555417, 1501683, 4505049, 13515147, 40545441]

約数ペア:

[(1, 40545441), (3, 13515147), (9, 4505049), (27, 1501683), (73, 555417), (81, 500561), (219, 185139), (657, 61713), (1971, 20571), (5913, 6857)]