19780095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77569}}^1$

素因数の和:77594

約数の個数: 16

約数和(自身を含む): 33510240

約数和(自身を除く): 13730145

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77569, 232707, 387845, 1163535, 1318673, 3956019, 6593365, 19780095]

約数ペア:

[(1, 19780095), (3, 6593365), (5, 3956019), (15, 1318673), (17, 1163535), (51, 387845), (85, 232707), (255, 77569)]