247275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{157}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 509392

約数和(自身を除く): 262117

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 157, 175, 225, 315, 471, 525, 785, 1099, 1413, 1575, 2355, 3297, 3925, 5495, 7065, 9891, 11775, 16485, 27475, 35325, 49455, 82425, 247275]

約数ペア:

[(1, 247275), (3, 82425), (5, 49455), (7, 35325), (9, 27475), (15, 16485), (21, 11775), (25, 9891), (35, 7065), (45, 5495), (63, 3925), (75, 3297), (105, 2355), (157, 1575), (175, 1413), (225, 1099), (315, 785), (471, 525)]