55921047

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10781}}^1$

素因数の和:10823

約数の個数: 32

約数和(自身を含む): 96606720

約数和(自身を除く): 40685673

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 10781, 32343, 75467, 140153, 204839, 226401, 420459, 614517, 981071, 1433873, 2662907, 2943213, 4301619, 7988721, 18640349, 55921047]

約数ペア:

[(1, 55921047), (3, 18640349), (7, 7988721), (13, 4301619), (19, 2943213), (21, 2662907), (39, 1433873), (57, 981071), (91, 614517), (133, 420459), (247, 226401), (273, 204839), (399, 140153), (741, 75467), (1729, 32343), (5187, 10781)]