149917887

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 260282880

約数和(自身を除く): 110364993

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 157, 161, 207, 471, 483, 659, 1099, 1413, 1449, 1977, 3297, 3611, 4613, 5931, 9891, 10833, 13839, 15157, 25277, 32499, 41517, 45471, 75831, 103463, 106099, 136413, 227493, 310389, 318297, 724241, 931167, 954891, 2172723, 2379649, 6518169, 7138947, 16657543, 21416841, 49972629, 149917887]

約数ペア:

[(1, 149917887), (3, 49972629), (7, 21416841), (9, 16657543), (21, 7138947), (23, 6518169), (63, 2379649), (69, 2172723), (157, 954891), (161, 931167), (207, 724241), (471, 318297), (483, 310389), (659, 227493), (1099, 136413), (1413, 106099), (1449, 103463), (1977, 75831), (3297, 45471), (3611, 41517), (4613, 32499), (5931, 25277), (9891, 15157), (10833, 13839)]