217475937

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{10429}}^1$

素因数の和:10773

約数の個数: 24

約数和(自身を含む): 360127040

約数和(自身を除く): 142651103

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 10429, 20853, 31287, 73003, 93861, 219009, 657027, 3451999, 10355997, 24163993, 31067991, 72491979, 217475937]

約数ペア:

[(1, 217475937), (3, 72491979), (7, 31067991), (9, 24163993), (21, 10355997), (63, 3451999), (331, 657027), (993, 219009), (2317, 93861), (2979, 73003), (6951, 31287), (10429, 20853)]