380520027

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 616232448

約数和(自身を除く): 235712421

約数列:

[1, 3, 9, 17, 23, 51, 69, 71, 153, 207, 213, 391, 639, 1173, 1207, 1523, 1633, 3519, 3621, 4569, 4899, 10863, 13707, 14697, 25891, 27761, 35029, 77673, 83283, 105087, 108133, 233019, 249849, 315261, 324399, 595493, 973197, 1786479, 1838261, 2487059, 5359437, 5514783, 7461177, 16544349, 22383531, 42280003, 126840009, 380520027]

約数ペア:

[(1, 380520027), (3, 126840009), (9, 42280003), (17, 22383531), (23, 16544349), (51, 7461177), (69, 5514783), (71, 5359437), (153, 2487059), (207, 1838261), (213, 1786479), (391, 973197), (639, 595493), (1173, 324399), (1207, 315261), (1523, 249849), (1633, 233019), (3519, 108133), (3621, 105087), (4569, 83283), (4899, 77673), (10863, 35029), (13707, 27761), (14697, 25891)]