1275339735

素因数分解:

$3^4\times 5^1\times {\mathrm{3148987}}^1$

素因数の和:3149004

約数の個数: 20

約数和(自身を含む): 2286165288

約数和(自身を除く): 1010825553

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3148987, 9446961, 15744935, 28340883, 47234805, 85022649, 141704415, 255067947, 425113245, 1275339735]

約数ペア:

[(1, 1275339735), (3, 425113245), (5, 255067947), (9, 141704415), (15, 85022649), (27, 47234805), (45, 28340883), (81, 15744935), (135, 9446961), (405, 3148987)]