280967517

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79843}}^1$

素因数の和:79889

約数の個数: 24

約数和(自身を含む): 448403904

約数和(自身を除く): 167436387

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 79843, 239529, 718587, 1357331, 1836389, 4071993, 5509167, 12215979, 16527501, 31218613, 93655839, 280967517]

約数ペア:

[(1, 280967517), (3, 93655839), (9, 31218613), (17, 16527501), (23, 12215979), (51, 5509167), (69, 4071993), (153, 1836389), (207, 1357331), (391, 718587), (1173, 239529), (3519, 79843)]