13325697

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 25395552

約数和(自身を除く): 12069855

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 49, 63, 67, 77, 99, 123, 147, 201, 231, 287, 369, 441, 451, 469, 539, 603, 693, 737, 861, 1353, 1407, 1617, 2009, 2211, 2583, 2747, 3157, 3283, 4059, 4221, 4851, 5159, 6027, 6633, 8241, 9471, 9849, 15477, 18081, 19229, 22099, 24723, 28413, 29547, 30217, 36113, 46431, 57687, 66297, 90651, 108339, 134603, 173061, 198891, 211519, 271953, 325017, 403809, 634557, 1211427, 1480633, 1903671, 4441899, 13325697]

約数ペア:

[(1, 13325697), (3, 4441899), (7, 1903671), (9, 1480633), (11, 1211427), (21, 634557), (33, 403809), (41, 325017), (49, 271953), (63, 211519), (67, 198891), (77, 173061), (99, 134603), (123, 108339), (147, 90651), (201, 66297), (231, 57687), (287, 46431), (369, 36113), (441, 30217), (451, 29547), (469, 28413), (539, 24723), (603, 22099), (693, 19229), (737, 18081), (861, 15477), (1353, 9849), (1407, 9471), (1617, 8241), (2009, 6633), (2211, 6027), (2583, 5159), (2747, 4851), (3157, 4221), (3283, 4059)]