27892809

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 21902391

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 441, 609, 727, 783, 1323, 1421, 1827, 2181, 4263, 5089, 5481, 6543, 12789, 15267, 19629, 21083, 35623, 38367, 45801, 63249, 106869, 137403, 147581, 189747, 320607, 442743, 569241, 961821, 1033067, 1328229, 3099201, 3984687, 9297603, 27892809]

約数ペア:

[(1, 27892809), (3, 9297603), (7, 3984687), (9, 3099201), (21, 1328229), (27, 1033067), (29, 961821), (49, 569241), (63, 442743), (87, 320607), (147, 189747), (189, 147581), (203, 137403), (261, 106869), (441, 63249), (609, 45801), (727, 38367), (783, 35623), (1323, 21083), (1421, 19629), (1827, 15267), (2181, 12789), (4263, 6543), (5089, 5481)]