81369057

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{50321}}^1$

素因数の和:50349

約数の個数: 24

約数和(自身を含む): 137680992

約数和(自身を除く): 56311935

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 50321, 150963, 352247, 553531, 1056741, 1660593, 2465729, 3874717, 7397187, 11624151, 27123019, 81369057]

約数ペア:

[(1, 81369057), (3, 27123019), (7, 11624151), (11, 7397187), (21, 3874717), (33, 2465729), (49, 1660593), (77, 1056741), (147, 553531), (231, 352247), (539, 150963), (1617, 50321)]