218293821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{38561}}^1$

素因数の和:38621

約数の個数: 24

約数和(自身を含む): 342893304

約数和(自身を除く): 124599483

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 5661, 38561, 115683, 347049, 655537, 1426757, 1966611, 4280271, 5899833, 12840813, 24254869, 72764607, 218293821]

約数ペア:

[(1, 218293821), (3, 72764607), (9, 24254869), (17, 12840813), (37, 5899833), (51, 4280271), (111, 1966611), (153, 1426757), (333, 655537), (629, 347049), (1887, 115683), (5661, 38561)]