81813870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{909043}}^1$

素因数の和:909056

約数の個数: 24

約数和(自身を含む): 212716296

約数和(自身を除く): 130902426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 909043, 1818086, 2727129, 4545215, 5454258, 8181387, 9090430, 13635645, 16362774, 27271290, 40906935, 81813870]

約数ペア:

[(1, 81813870), (2, 40906935), (3, 27271290), (5, 16362774), (6, 13635645), (9, 9090430), (10, 8181387), (15, 5454258), (18, 4545215), (30, 2727129), (45, 1818086), (90, 909043)]