243321897

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 409520832

約数和(自身を除く): 166198935

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 157, 273, 471, 637, 811, 1099, 1911, 2041, 2433, 3297, 5677, 6123, 7693, 10543, 14287, 17031, 23079, 31629, 39739, 42861, 73801, 100009, 119217, 127327, 221403, 300027, 381981, 516607, 891289, 1549821, 1655251, 2673867, 4965753, 6239023, 11586757, 18717069, 34760271, 81107299, 243321897]

約数ペア:

[(1, 243321897), (3, 81107299), (7, 34760271), (13, 18717069), (21, 11586757), (39, 6239023), (49, 4965753), (91, 2673867), (147, 1655251), (157, 1549821), (273, 891289), (471, 516607), (637, 381981), (811, 300027), (1099, 221403), (1911, 127327), (2041, 119217), (2433, 100009), (3297, 73801), (5677, 42861), (6123, 39739), (7693, 31629), (10543, 23079), (14287, 17031)]