201917415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 418037760

約数和(自身を除く): 216120345

約数列:

[1, 3, 5, 7, 15, 17, 21, 31, 35, 41, 51, 85, 89, 93, 105, 119, 123, 155, 205, 217, 255, 267, 287, 357, 445, 465, 527, 595, 615, 623, 651, 697, 861, 1085, 1271, 1335, 1435, 1513, 1581, 1785, 1869, 2091, 2635, 2759, 3115, 3255, 3485, 3649, 3689, 3813, 4305, 4539, 4879, 6355, 7565, 7905, 8277, 8897, 9345, 10455, 10591, 10947, 11067, 13795, 14637, 18245, 18445, 19065, 19313, 21607, 22695, 24395, 25543, 26691, 31773, 41385, 44485, 46903, 52955, 54735, 55335, 57939, 62033, 64821, 73185, 76629, 96565, 108035, 113119, 127715, 133455, 140709, 151249, 158865, 186099, 234515, 289695, 310165, 324105, 328321, 339357, 383145, 434231, 453747, 565595, 703545, 756245, 791833, 930495, 984963, 1302693, 1641605, 1696785, 1923023, 2171155, 2268735, 2375499, 3959165, 4924815, 5769069, 6513465, 9615115, 11877495, 13461161, 28845345, 40383483, 67305805, 201917415]

約数ペア:

[(1, 201917415), (3, 67305805), (5, 40383483), (7, 28845345), (15, 13461161), (17, 11877495), (21, 9615115), (31, 6513465), (35, 5769069), (41, 4924815), (51, 3959165), (85, 2375499), (89, 2268735), (93, 2171155), (105, 1923023), (119, 1696785), (123, 1641605), (155, 1302693), (205, 984963), (217, 930495), (255, 791833), (267, 756245), (287, 703545), (357, 565595), (445, 453747), (465, 434231), (527, 383145), (595, 339357), (615, 328321), (623, 324105), (651, 310165), (697, 289695), (861, 234515), (1085, 186099), (1271, 158865), (1335, 151249), (1435, 140709), (1513, 133455), (1581, 127715), (1785, 113119), (1869, 108035), (2091, 96565), (2635, 76629), (2759, 73185), (3115, 64821), (3255, 62033), (3485, 57939), (3649, 55335), (3689, 54735), (3813, 52955), (4305, 46903), (4539, 44485), (4879, 41385), (6355, 31773), (7565, 26691), (7905, 25543), (8277, 24395), (8897, 22695), (9345, 21607), (10455, 19313), (10591, 19065), (10947, 18445), (11067, 18245), (13795, 14637)]