27171729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 20002671

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 663, 719, 741, 969, 1989, 2157, 2223, 2907, 4199, 6471, 9347, 12223, 12597, 13661, 28041, 36669, 37791, 40983, 84123, 110007, 122949, 158899, 177593, 232237, 476697, 532779, 696711, 1430091, 1598337, 2090133, 3019081, 9057243, 27171729]

約数ペア:

[(1, 27171729), (3, 9057243), (9, 3019081), (13, 2090133), (17, 1598337), (19, 1430091), (39, 696711), (51, 532779), (57, 476697), (117, 232237), (153, 177593), (171, 158899), (221, 122949), (247, 110007), (323, 84123), (663, 40983), (719, 37791), (741, 36669), (969, 28041), (1989, 13661), (2157, 12597), (2223, 12223), (2907, 9347), (4199, 6471)]