208074237

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1571}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 348380352

約数和(自身を除く): 140306115

約数列:

[1, 3, 7, 17, 21, 49, 51, 53, 119, 147, 159, 357, 371, 833, 901, 1113, 1571, 2499, 2597, 2703, 4713, 6307, 7791, 10997, 18921, 26707, 32991, 44149, 76979, 80121, 83263, 132447, 186949, 230937, 249789, 560847, 582841, 1308643, 1415471, 1748523, 3925929, 4079887, 4246413, 9908297, 12239661, 29724891, 69358079, 208074237]

約数ペア:

[(1, 208074237), (3, 69358079), (7, 29724891), (17, 12239661), (21, 9908297), (49, 4246413), (51, 4079887), (53, 3925929), (119, 1748523), (147, 1415471), (159, 1308643), (357, 582841), (371, 560847), (833, 249789), (901, 230937), (1113, 186949), (1571, 132447), (2499, 83263), (2597, 80121), (2703, 76979), (4713, 44149), (6307, 32991), (7791, 26707), (10997, 18921)]