258908385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{6229}}^1$

素因数の和:6417

約数の個数: 32

約数和(自身を含む): 441383040

約数和(自身を除く): 182474655

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 489, 815, 2445, 2771, 6229, 8313, 13855, 18687, 31145, 41565, 93435, 105893, 317679, 529465, 1015327, 1588395, 3045981, 5076635, 15229905, 17260559, 51781677, 86302795, 258908385]

約数ペア:

[(1, 258908385), (3, 86302795), (5, 51781677), (15, 17260559), (17, 15229905), (51, 5076635), (85, 3045981), (163, 1588395), (255, 1015327), (489, 529465), (815, 317679), (2445, 105893), (2771, 93435), (6229, 41565), (8313, 31145), (13855, 18687)]