16721595

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 33113808

約数和(自身を除く): 16392213

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 83, 99, 111, 121, 165, 185, 249, 333, 363, 407, 415, 495, 555, 605, 747, 913, 1089, 1221, 1245, 1665, 1815, 2035, 2739, 3071, 3663, 3735, 4477, 4565, 5445, 6105, 8217, 9213, 10043, 13431, 13695, 15355, 18315, 22385, 27639, 30129, 33781, 40293, 41085, 46065, 50215, 67155, 90387, 101343, 138195, 150645, 168905, 201465, 304029, 371591, 451935, 506715, 1114773, 1520145, 1857955, 3344319, 5573865, 16721595]

約数ペア:

[(1, 16721595), (3, 5573865), (5, 3344319), (9, 1857955), (11, 1520145), (15, 1114773), (33, 506715), (37, 451935), (45, 371591), (55, 304029), (83, 201465), (99, 168905), (111, 150645), (121, 138195), (165, 101343), (185, 90387), (249, 67155), (333, 50215), (363, 46065), (407, 41085), (415, 40293), (495, 33781), (555, 30129), (605, 27639), (747, 22385), (913, 18315), (1089, 15355), (1221, 13695), (1245, 13431), (1665, 10043), (1815, 9213), (2035, 8217), (2739, 6105), (3071, 5445), (3663, 4565), (3735, 4477)]