27431475

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 47354112

約数和(自身を除く): 19922637

約数列:

[1, 3, 5, 15, 25, 53, 67, 75, 103, 159, 201, 265, 309, 335, 515, 795, 1005, 1325, 1545, 1675, 2575, 3551, 3975, 5025, 5459, 6901, 7725, 10653, 16377, 17755, 20703, 27295, 34505, 53265, 81885, 88775, 103515, 136475, 172525, 266325, 365753, 409425, 517575, 1097259, 1828765, 5486295, 9143825, 27431475]

約数ペア:

[(1, 27431475), (3, 9143825), (5, 5486295), (15, 1828765), (25, 1097259), (53, 517575), (67, 409425), (75, 365753), (103, 266325), (159, 172525), (201, 136475), (265, 103515), (309, 88775), (335, 81885), (515, 53265), (795, 34505), (1005, 27295), (1325, 20703), (1545, 17755), (1675, 16377), (2575, 10653), (3551, 7725), (3975, 6901), (5025, 5459)]