47451999

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 74612736

約数和(自身を除く): 27160737

約数列:

[1, 3, 7, 21, 47, 131, 141, 329, 367, 393, 917, 987, 1101, 2569, 2751, 6157, 7707, 17249, 18471, 43099, 48077, 51747, 120743, 129297, 144231, 336539, 362229, 1009617, 2259619, 6778857, 15817333, 47451999]

約数ペア:

[(1, 47451999), (3, 15817333), (7, 6778857), (21, 2259619), (47, 1009617), (131, 362229), (141, 336539), (329, 144231), (367, 129297), (393, 120743), (917, 51747), (987, 48077), (1101, 43099), (2569, 18471), (2751, 17249), (6157, 7707)]