16403517

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 27605760

約数和(自身を除く): 11202243

約数列:

[1, 3, 9, 13, 19, 39, 47, 57, 117, 141, 157, 171, 247, 423, 471, 611, 741, 893, 1413, 1833, 2041, 2223, 2679, 2983, 5499, 6123, 7379, 8037, 8949, 11609, 18369, 22137, 26847, 34827, 38779, 66411, 95927, 104481, 116337, 140201, 287781, 349011, 420603, 863343, 1261809, 1822613, 5467839, 16403517]

約数ペア:

[(1, 16403517), (3, 5467839), (9, 1822613), (13, 1261809), (19, 863343), (39, 420603), (47, 349011), (57, 287781), (117, 140201), (141, 116337), (157, 104481), (171, 95927), (247, 66411), (423, 38779), (471, 34827), (611, 26847), (741, 22137), (893, 18369), (1413, 11609), (1833, 8949), (2041, 8037), (2223, 7379), (2679, 6123), (2983, 5499)]