7156215

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 14284800

約数和(自身を除く): 7128585

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 61, 79, 99, 135, 165, 183, 237, 297, 305, 395, 495, 549, 671, 711, 869, 915, 1185, 1485, 1647, 2013, 2133, 2607, 2745, 3355, 3555, 4345, 4819, 6039, 7821, 8235, 10065, 10665, 13035, 14457, 18117, 23463, 24095, 30195, 39105, 43371, 53009, 72285, 90585, 117315, 130113, 159027, 216855, 265045, 477081, 650565, 795135, 1431243, 2385405, 7156215]

約数ペア:

[(1, 7156215), (3, 2385405), (5, 1431243), (9, 795135), (11, 650565), (15, 477081), (27, 265045), (33, 216855), (45, 159027), (55, 130113), (61, 117315), (79, 90585), (99, 72285), (135, 53009), (165, 43371), (183, 39105), (237, 30195), (297, 24095), (305, 23463), (395, 18117), (495, 14457), (549, 13035), (671, 10665), (711, 10065), (869, 8235), (915, 7821), (1185, 6039), (1485, 4819), (1647, 4345), (2013, 3555), (2133, 3355), (2607, 2745)]