27218961

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 51787008

約数和(自身を除く): 24568047

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 49, 63, 77, 93, 99, 147, 181, 217, 231, 279, 341, 441, 539, 543, 651, 693, 1023, 1267, 1519, 1617, 1629, 1953, 1991, 2387, 3069, 3801, 4557, 4851, 5611, 5973, 7161, 8869, 11403, 13671, 13937, 16709, 16833, 17919, 21483, 26607, 39277, 41811, 50127, 50499, 61721, 79821, 97559, 117831, 125433, 150381, 185163, 274939, 292677, 353493, 432047, 555489, 824817, 878031, 1296141, 2474451, 3024329, 3888423, 9072987, 27218961]

約数ペア:

[(1, 27218961), (3, 9072987), (7, 3888423), (9, 3024329), (11, 2474451), (21, 1296141), (31, 878031), (33, 824817), (49, 555489), (63, 432047), (77, 353493), (93, 292677), (99, 274939), (147, 185163), (181, 150381), (217, 125433), (231, 117831), (279, 97559), (341, 79821), (441, 61721), (539, 50499), (543, 50127), (651, 41811), (693, 39277), (1023, 26607), (1267, 21483), (1519, 17919), (1617, 16833), (1629, 16709), (1953, 13937), (1991, 13671), (2387, 11403), (3069, 8869), (3801, 7161), (4557, 5973), (4851, 5611)]