208540245

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{33023}}^1$

素因数の和:33452

約数の個数: 16

約数和(自身を含む): 334467072

約数和(自身を除く): 125926827

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 6315, 33023, 99069, 165115, 495345, 13902683, 41708049, 69513415, 208540245]

約数ペア:

[(1, 208540245), (3, 69513415), (5, 41708049), (15, 13902683), (421, 495345), (1263, 165115), (2105, 99069), (6315, 33023)]