78139215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7517}}^1$

素因数の和:7549

約数の個数: 64

約数和(自身を含む): 173214720

約数和(自身を除く): 95075505

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 297, 315, 385, 495, 693, 945, 1155, 1485, 2079, 3465, 7517, 10395, 22551, 37585, 52619, 67653, 82687, 112755, 157857, 202959, 248061, 263095, 338265, 413435, 473571, 578809, 744183, 789285, 1014795, 1240305, 1420713, 1736427, 2232549, 2367855, 2894045, 3720915, 5209281, 7103565, 8682135, 11162745, 15627843, 26046405, 78139215]

約数ペア:

[(1, 78139215), (3, 26046405), (5, 15627843), (7, 11162745), (9, 8682135), (11, 7103565), (15, 5209281), (21, 3720915), (27, 2894045), (33, 2367855), (35, 2232549), (45, 1736427), (55, 1420713), (63, 1240305), (77, 1014795), (99, 789285), (105, 744183), (135, 578809), (165, 473571), (189, 413435), (231, 338265), (297, 263095), (315, 248061), (385, 202959), (495, 157857), (693, 112755), (945, 82687), (1155, 67653), (1485, 52619), (2079, 37585), (3465, 22551), (7517, 10395)]