217335951

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{30529}}^1$

素因数の和:30655

約数の個数: 24

約数和(自身を含む): 361963680

約数和(自身を除く): 144627729

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 7119, 30529, 91587, 213703, 274761, 641109, 1923327, 3449777, 10349331, 24148439, 31047993, 72445317, 217335951]

約数ペア:

[(1, 217335951), (3, 72445317), (7, 31047993), (9, 24148439), (21, 10349331), (63, 3449777), (113, 1923327), (339, 641109), (791, 274761), (1017, 213703), (2373, 91587), (7119, 30529)]