13125105

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 128

約数和(自身を含む): 30412800

約数和(自身を除く): 17287695

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 27, 35, 43, 45, 51, 57, 63, 85, 95, 105, 119, 129, 133, 135, 153, 171, 189, 215, 255, 285, 301, 315, 323, 357, 387, 399, 459, 513, 595, 645, 665, 731, 765, 817, 855, 903, 945, 969, 1071, 1161, 1197, 1505, 1615, 1785, 1935, 1995, 2193, 2261, 2295, 2451, 2565, 2709, 2907, 3213, 3591, 3655, 4085, 4515, 4845, 5117, 5355, 5719, 5805, 5985, 6579, 6783, 7353, 8127, 8721, 10965, 11305, 12255, 13545, 13889, 14535, 15351, 16065, 17157, 17955, 19737, 20349, 22059, 25585, 28595, 32895, 33915, 36765, 40635, 41667, 43605, 46053, 51471, 61047, 69445, 76755, 85785, 97223, 98685, 101745, 110295, 125001, 138159, 154413, 208335, 230265, 257355, 291669, 305235, 375003, 486115, 625005, 690795, 772065, 875007, 1458345, 1875015, 2625021, 4375035, 13125105]

約数ペア:

[(1, 13125105), (3, 4375035), (5, 2625021), (7, 1875015), (9, 1458345), (15, 875007), (17, 772065), (19, 690795), (21, 625005), (27, 486115), (35, 375003), (43, 305235), (45, 291669), (51, 257355), (57, 230265), (63, 208335), (85, 154413), (95, 138159), (105, 125001), (119, 110295), (129, 101745), (133, 98685), (135, 97223), (153, 85785), (171, 76755), (189, 69445), (215, 61047), (255, 51471), (285, 46053), (301, 43605), (315, 41667), (323, 40635), (357, 36765), (387, 33915), (399, 32895), (459, 28595), (513, 25585), (595, 22059), (645, 20349), (665, 19737), (731, 17955), (765, 17157), (817, 16065), (855, 15351), (903, 14535), (945, 13889), (969, 13545), (1071, 12255), (1161, 11305), (1197, 10965), (1505, 8721), (1615, 8127), (1785, 7353), (1935, 6783), (1995, 6579), (2193, 5985), (2261, 5805), (2295, 5719), (2451, 5355), (2565, 5117), (2709, 4845), (2907, 4515), (3213, 4085), (3591, 3655)]