27551997

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 45489600

約数和(自身を除く): 17937603

約数列:

[1, 3, 9, 11, 33, 53, 59, 89, 99, 159, 177, 267, 477, 531, 583, 649, 801, 979, 1749, 1947, 2937, 3127, 4717, 5247, 5251, 5841, 8811, 9381, 14151, 15753, 28143, 34397, 42453, 47259, 51887, 57761, 103191, 155661, 173283, 278303, 309573, 466983, 519849, 834909, 2504727, 3061333, 9183999, 27551997]

約数ペア:

[(1, 27551997), (3, 9183999), (9, 3061333), (11, 2504727), (33, 834909), (53, 519849), (59, 466983), (89, 309573), (99, 278303), (159, 173283), (177, 155661), (267, 103191), (477, 57761), (531, 51887), (583, 47259), (649, 42453), (801, 34397), (979, 28143), (1749, 15753), (1947, 14151), (2937, 9381), (3127, 8811), (4717, 5841), (5247, 5251)]