207811317

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{547}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 322662400

約数和(自身を除く): 114851083

約数列:

[1, 3, 7, 21, 79, 229, 237, 547, 553, 687, 1603, 1641, 1659, 3829, 4809, 11487, 18091, 43213, 54273, 125263, 126637, 129639, 302491, 375789, 379911, 876841, 907473, 2630523, 9895777, 29687331, 69270439, 207811317]

約数ペア:

[(1, 207811317), (3, 69270439), (7, 29687331), (21, 9895777), (79, 2630523), (229, 907473), (237, 876841), (547, 379911), (553, 375789), (687, 302491), (1603, 129639), (1641, 126637), (1659, 125263), (3829, 54273), (4809, 43213), (11487, 18091)]