205328295

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{268403}}^1$

素因数の和:268431

約数の個数: 24

約数和(自身を含む): 376839216

約数和(自身を除く): 171510921

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 268403, 805209, 1342015, 2415627, 4026045, 4562851, 12078135, 13688553, 22814255, 41065659, 68442765, 205328295]

約数ペア:

[(1, 205328295), (3, 68442765), (5, 41065659), (9, 22814255), (15, 13688553), (17, 12078135), (45, 4562851), (51, 4026045), (85, 2415627), (153, 1342015), (255, 805209), (765, 268403)]