213838053

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 359251200

約数和(自身を除く): 145413147

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 109, 143, 187, 221, 269, 327, 429, 561, 663, 807, 1199, 1417, 1853, 2431, 2959, 3497, 3597, 4251, 4573, 5559, 7293, 8877, 10491, 13719, 15587, 20383, 24089, 29321, 38467, 46761, 50303, 59449, 61149, 72267, 87963, 115401, 150909, 178347, 264979, 322531, 381173, 498457, 653939, 794937, 967593, 1143519, 1495371, 1961817, 4192903, 5483027, 6479941, 12578709, 16449081, 19439823, 71279351, 213838053]

約数ペア:

[(1, 213838053), (3, 71279351), (11, 19439823), (13, 16449081), (17, 12578709), (33, 6479941), (39, 5483027), (51, 4192903), (109, 1961817), (143, 1495371), (187, 1143519), (221, 967593), (269, 794937), (327, 653939), (429, 498457), (561, 381173), (663, 322531), (807, 264979), (1199, 178347), (1417, 150909), (1853, 115401), (2431, 87963), (2959, 72267), (3497, 61149), (3597, 59449), (4251, 50303), (4573, 46761), (5559, 38467), (7293, 29321), (8877, 24089), (10491, 20383), (13719, 15587)]