165788775

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 336089600

約数和(自身を除く): 170300825

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 31, 45, 57, 75, 81, 93, 95, 135, 139, 155, 171, 225, 279, 285, 405, 417, 465, 475, 513, 589, 675, 695, 775, 837, 855, 1251, 1395, 1425, 1539, 1767, 2025, 2085, 2325, 2511, 2565, 2641, 2945, 3475, 3753, 4185, 4275, 4309, 5301, 6255, 6975, 7695, 7923, 8835, 10425, 11259, 12555, 12825, 12927, 13205, 14725, 15903, 18765, 20925, 21545, 23769, 26505, 31275, 38475, 38781, 39615, 44175, 47709, 56295, 62775, 64635, 66025, 71307, 79515, 81871, 93825, 107725, 116343, 118845, 132525, 193905, 198075, 213921, 238545, 245613, 281475, 323175, 349029, 356535, 397575, 409355, 581715, 594225, 736839, 969525, 1069605, 1192725, 1228065, 1745145, 1782675, 2046775, 2210517, 2908575, 3684195, 5348025, 6140325, 6631551, 8725725, 11052585, 18420975, 33157755, 55262925, 165788775]

約数ペア:

[(1, 165788775), (3, 55262925), (5, 33157755), (9, 18420975), (15, 11052585), (19, 8725725), (25, 6631551), (27, 6140325), (31, 5348025), (45, 3684195), (57, 2908575), (75, 2210517), (81, 2046775), (93, 1782675), (95, 1745145), (135, 1228065), (139, 1192725), (155, 1069605), (171, 969525), (225, 736839), (279, 594225), (285, 581715), (405, 409355), (417, 397575), (465, 356535), (475, 349029), (513, 323175), (589, 281475), (675, 245613), (695, 238545), (775, 213921), (837, 198075), (855, 193905), (1251, 132525), (1395, 118845), (1425, 116343), (1539, 107725), (1767, 93825), (2025, 81871), (2085, 79515), (2325, 71307), (2511, 66025), (2565, 64635), (2641, 62775), (2945, 56295), (3475, 47709), (3753, 44175), (4185, 39615), (4275, 38781), (4309, 38475), (5301, 31275), (6255, 26505), (6975, 23769), (7695, 21545), (7923, 20925), (8835, 18765), (10425, 15903), (11259, 14725), (12555, 13205), (12825, 12927)]