208598109

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1091}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 309464064

約数和(自身を除く): 100865955

約数列:

[1, 3, 17, 23, 51, 69, 163, 391, 489, 1091, 1173, 2771, 3273, 3749, 8313, 11247, 18547, 25093, 55641, 63733, 75279, 177833, 191199, 426581, 533499, 1279743, 3023161, 4090159, 9069483, 12270477, 69532703, 208598109]

約数ペア:

[(1, 208598109), (3, 69532703), (17, 12270477), (23, 9069483), (51, 4090159), (69, 3023161), (163, 1279743), (391, 533499), (489, 426581), (1091, 191199), (1173, 177833), (2771, 75279), (3273, 63733), (3749, 55641), (8313, 25093), (11247, 18547)]