65290491

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 118014624

約数和(自身を除く): 52724133

約数列:

[1, 3, 7, 9, 21, 23, 41, 49, 63, 69, 123, 147, 157, 161, 207, 287, 369, 441, 471, 483, 861, 943, 1099, 1127, 1413, 1449, 2009, 2583, 2829, 3297, 3381, 3611, 6027, 6437, 6601, 7693, 8487, 9891, 10143, 10833, 18081, 19311, 19803, 23079, 25277, 32499, 45059, 46207, 57933, 59409, 69237, 75831, 135177, 138621, 148051, 176939, 227493, 315413, 405531, 415863, 444153, 530817, 946239, 1036357, 1332459, 1592451, 2838717, 3109071, 7254499, 9327213, 21763497, 65290491]

約数ペア:

[(1, 65290491), (3, 21763497), (7, 9327213), (9, 7254499), (21, 3109071), (23, 2838717), (41, 1592451), (49, 1332459), (63, 1036357), (69, 946239), (123, 530817), (147, 444153), (157, 415863), (161, 405531), (207, 315413), (287, 227493), (369, 176939), (441, 148051), (471, 138621), (483, 135177), (861, 75831), (943, 69237), (1099, 59409), (1127, 57933), (1413, 46207), (1449, 45059), (2009, 32499), (2583, 25277), (2829, 23079), (3297, 19803), (3381, 19311), (3611, 18081), (6027, 10833), (6437, 10143), (6601, 9891), (7693, 8487)]