78840405

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4431

約数の個数: 64

約数和(自身を含む): 168652800

約数和(自身を除く): 89812395

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 945, 1197, 1995, 2565, 3591, 4391, 5985, 13173, 17955, 21955, 30737, 39519, 65865, 83429, 92211, 118557, 153685, 197595, 250287, 276633, 417145, 461055, 584003, 592785, 750861, 829899, 1251435, 1383165, 1752009, 2252583, 2920015, 3754305, 4149495, 5256027, 8760045, 11262915, 15768081, 26280135, 78840405]

約数ペア:

[(1, 78840405), (3, 26280135), (5, 15768081), (7, 11262915), (9, 8760045), (15, 5256027), (19, 4149495), (21, 3754305), (27, 2920015), (35, 2252583), (45, 1752009), (57, 1383165), (63, 1251435), (95, 829899), (105, 750861), (133, 592785), (135, 584003), (171, 461055), (189, 417145), (285, 276633), (315, 250287), (399, 197595), (513, 153685), (665, 118557), (855, 92211), (945, 83429), (1197, 65865), (1995, 39519), (2565, 30737), (3591, 21955), (4391, 17955), (5985, 13173)]