7220361

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 10424160

約数和(自身を除く): 3203799

約数列:

[1, 3, 19, 57, 59, 113, 177, 339, 361, 1083, 1121, 2147, 3363, 6441, 6667, 20001, 21299, 40793, 63897, 122379, 126673, 380019, 2406787, 7220361]

約数ペア:

[(1, 7220361), (3, 2406787), (19, 380019), (57, 126673), (59, 122379), (113, 63897), (177, 40793), (339, 21299), (361, 20001), (1083, 6667), (1121, 6441), (2147, 3363)]