249879105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1409}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 496229760

約数和(自身を除く): 246350655

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 563, 1409, 1689, 2815, 3941, 4227, 5067, 7045, 8445, 9863, 11823, 12681, 19705, 21135, 25335, 29589, 35469, 49315, 59115, 63405, 88767, 147945, 177345, 443835, 793267, 2379801, 3966335, 5552869, 7139403, 11899005, 16658607, 27764345, 35697015, 49975821, 83293035, 249879105]

約数ペア:

[(1, 249879105), (3, 83293035), (5, 49975821), (7, 35697015), (9, 27764345), (15, 16658607), (21, 11899005), (35, 7139403), (45, 5552869), (63, 3966335), (105, 2379801), (315, 793267), (563, 443835), (1409, 177345), (1689, 147945), (2815, 88767), (3941, 63405), (4227, 59115), (5067, 49315), (7045, 35469), (8445, 29589), (9863, 25335), (11823, 21135), (12681, 19705)]