729.0000000

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 19411840

約数和(自身を除く): 10856748

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1237, 1729, 2474, 3458, 4948, 6916, 8659, 16081, 17318, 23503, 32162, 34636, 47006, 64324, 94012, 112567, 164521, 225134, 305539, 329042, 450268, 611078, 658084, 1222156, 2138773, 4277546, 8555092]

約数ペア:

[(1, 8555092), (2, 4277546), (4, 2138773), (7, 1222156), (13, 658084), (14, 611078), (19, 450268), (26, 329042), (28, 305539), (38, 225134), (52, 164521), (76, 112567), (91, 94012), (133, 64324), (182, 47006), (247, 34636), (266, 32162), (364, 23503), (494, 17318), (532, 16081), (988, 8659), (1237, 6916), (1729, 4948), (2474, 3458)]