81315804

素因数分解:

$2^2\times 3^1\times {\mathrm{509}}^1\times {\mathrm{13313}}^1$

素因数の和:13829

約数の個数: 24

約数和(自身を含む): 190123920

約数和(自身を除く): 108808116

約数列:

[1, 2, 3, 4, 6, 12, 509, 1018, 1527, 2036, 3054, 6108, 13313, 26626, 39939, 53252, 79878, 159756, 6776317, 13552634, 20328951, 27105268, 40657902, 81315804]

約数ペア:

[(1, 81315804), (2, 40657902), (3, 27105268), (4, 20328951), (6, 13552634), (12, 6776317), (509, 159756), (1018, 79878), (1527, 53252), (2036, 39939), (3054, 26626), (6108, 13313)]