81965517

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{26347}}^1$

素因数の和:26428

約数の個数: 16

約数和(自身を含む): 117617472

約数和(自身を除く): 35651955

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 26347, 79041, 447899, 1343697, 1607167, 4821501, 27321839, 81965517]

約数ペア:

[(1, 81965517), (3, 27321839), (17, 4821501), (51, 1607167), (61, 1343697), (183, 447899), (1037, 79041), (3111, 26347)]