27812187

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 20571813

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 59, 79, 117, 153, 177, 221, 237, 351, 459, 531, 663, 711, 767, 1003, 1027, 1343, 1593, 1989, 2133, 2301, 3009, 3081, 4029, 4661, 5967, 6903, 9027, 9243, 12087, 13039, 13983, 17459, 20709, 27081, 27729, 36261, 39117, 41949, 52377, 60593, 79237, 117351, 125847, 157131, 181779, 237711, 352053, 471393, 545337, 713133, 1030081, 1636011, 2139399, 3090243, 9270729, 27812187]

約数ペア:

[(1, 27812187), (3, 9270729), (9, 3090243), (13, 2139399), (17, 1636011), (27, 1030081), (39, 713133), (51, 545337), (59, 471393), (79, 352053), (117, 237711), (153, 181779), (177, 157131), (221, 125847), (237, 117351), (351, 79237), (459, 60593), (531, 52377), (663, 41949), (711, 39117), (767, 36261), (1003, 27729), (1027, 27081), (1343, 20709), (1593, 17459), (1989, 13983), (2133, 13039), (2301, 12087), (3009, 9243), (3081, 9027), (4029, 6903), (4661, 5967)]