204578085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{7789}}^1$

素因数の和:7917

約数の個数: 32

約数和(自身を含む): 349989120

約数和(自身を除く): 145411035

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 255, 309, 515, 1545, 1751, 5253, 7789, 8755, 23367, 26265, 38945, 116835, 132413, 397239, 662065, 802267, 1986195, 2406801, 4011335, 12034005, 13638539, 40915617, 68192695, 204578085]

約数ペア:

[(1, 204578085), (3, 68192695), (5, 40915617), (15, 13638539), (17, 12034005), (51, 4011335), (85, 2406801), (103, 1986195), (255, 802267), (309, 662065), (515, 397239), (1545, 132413), (1751, 116835), (5253, 38945), (7789, 26265), (8755, 23367)]