355890495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 616701600

約数和(自身を除く): 260811105

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 289, 795, 867, 901, 1445, 1549, 2703, 4335, 4505, 4647, 7745, 13515, 15317, 23235, 26333, 45951, 76585, 78999, 82097, 131665, 229755, 246291, 394995, 410485, 447661, 1231455, 1342983, 1395649, 2238305, 4186947, 6714915, 6978245, 20934735, 23726033, 71178099, 118630165, 355890495]

約数ペア:

[(1, 355890495), (3, 118630165), (5, 71178099), (15, 23726033), (17, 20934735), (51, 6978245), (53, 6714915), (85, 4186947), (159, 2238305), (255, 1395649), (265, 1342983), (289, 1231455), (795, 447661), (867, 410485), (901, 394995), (1445, 246291), (1549, 229755), (2703, 131665), (4335, 82097), (4505, 78999), (4647, 76585), (7745, 45951), (13515, 26333), (15317, 23235)]