990729

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 1527552

約数和(自身を除く): 536823

約数列:

[1, 3, 9, 31, 53, 67, 93, 159, 201, 279, 477, 603, 1643, 2077, 3551, 4929, 6231, 10653, 14787, 18693, 31959, 110081, 330243, 990729]

約数ペア:

[(1, 990729), (3, 330243), (9, 110081), (31, 31959), (53, 18693), (67, 14787), (93, 10653), (159, 6231), (201, 4929), (279, 3551), (477, 2077), (603, 1643)]