17647371

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 32048640

約数和(自身を除く): 14401269

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 641, 1197, 1311, 1449, 1923, 3059, 3933, 4487, 5769, 9177, 12179, 13461, 14743, 27531, 36537, 40383, 44229, 85253, 103201, 109611, 132687, 255759, 280117, 309603, 767277, 840351, 928809, 1960819, 2521053, 5882457, 17647371]

約数ペア:

[(1, 17647371), (3, 5882457), (7, 2521053), (9, 1960819), (19, 928809), (21, 840351), (23, 767277), (57, 309603), (63, 280117), (69, 255759), (133, 132687), (161, 109611), (171, 103201), (207, 85253), (399, 44229), (437, 40383), (483, 36537), (641, 27531), (1197, 14743), (1311, 13461), (1449, 12179), (1923, 9177), (3059, 5769), (3933, 4487)]