255387735

素因数分解:

$3^4\times 5^1\times {\mathrm{630587}}^1$

素因数の和:630604

約数の個数: 20

約数和(自身を含む): 457806888

約数和(自身を除く): 202419153

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 630587, 1891761, 3152935, 5675283, 9458805, 17025849, 28376415, 51077547, 85129245, 255387735]

約数ペア:

[(1, 255387735), (3, 85129245), (5, 51077547), (9, 28376415), (15, 17025849), (27, 9458805), (45, 5675283), (81, 3152935), (135, 1891761), (405, 630587)]