205657755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{15217}}^1$

素因数の和:15295

約数の個数: 32

約数和(自身を含む): 355005504

約数和(自身を除く): 149347749

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 13515, 15217, 45651, 76085, 228255, 258689, 776067, 806501, 1293445, 2419503, 3880335, 4032505, 12097515, 13710517, 41131551, 68552585, 205657755]

約数ペア:

[(1, 205657755), (3, 68552585), (5, 41131551), (15, 13710517), (17, 12097515), (51, 4032505), (53, 3880335), (85, 2419503), (159, 1293445), (255, 806501), (265, 776067), (795, 258689), (901, 228255), (2703, 76085), (4505, 45651), (13515, 15217)]