420255

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 817920

約数和(自身を除く): 397665

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 283, 297, 495, 849, 1415, 1485, 2547, 3113, 4245, 7641, 9339, 12735, 15565, 28017, 38205, 46695, 84051, 140085, 420255]

約数ペア:

[(1, 420255), (3, 140085), (5, 84051), (9, 46695), (11, 38205), (15, 28017), (27, 15565), (33, 12735), (45, 9339), (55, 7641), (99, 4245), (135, 3113), (165, 2547), (283, 1485), (297, 1415), (495, 849)]