289687185

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 548228736

約数和(自身を除く): 258541551

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 137, 207, 227, 345, 405, 411, 621, 681, 685, 1035, 1135, 1233, 1863, 2043, 2055, 3105, 3151, 3405, 3699, 5221, 6129, 6165, 9315, 9453, 10215, 11097, 15663, 15755, 18387, 18495, 26105, 28359, 30645, 31099, 46989, 47265, 55485, 78315, 85077, 91935, 93297, 140967, 141795, 155495, 234945, 255231, 279891, 422901, 425385, 466485, 704835, 715277, 839673, 1276155, 1399455, 2114505, 2145831, 2519019, 3576385, 4198365, 6437493, 10729155, 12595095, 19312479, 32187465, 57937437, 96562395, 289687185]

約数ペア:

[(1, 289687185), (3, 96562395), (5, 57937437), (9, 32187465), (15, 19312479), (23, 12595095), (27, 10729155), (45, 6437493), (69, 4198365), (81, 3576385), (115, 2519019), (135, 2145831), (137, 2114505), (207, 1399455), (227, 1276155), (345, 839673), (405, 715277), (411, 704835), (621, 466485), (681, 425385), (685, 422901), (1035, 279891), (1135, 255231), (1233, 234945), (1863, 155495), (2043, 141795), (2055, 140967), (3105, 93297), (3151, 91935), (3405, 85077), (3699, 78315), (5221, 55485), (6129, 47265), (6165, 46989), (9315, 31099), (9453, 30645), (10215, 28359), (11097, 26105), (15663, 18495), (15755, 18387)]