71217315

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 142571520

約数和(自身を除く): 71354205

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 67, 69, 79, 115, 117, 195, 201, 207, 237, 299, 335, 345, 395, 585, 603, 711, 871, 897, 1005, 1027, 1035, 1185, 1495, 1541, 1817, 2613, 2691, 3015, 3081, 3555, 4355, 4485, 4623, 5135, 5293, 5451, 7705, 7839, 9085, 9243, 13065, 13455, 13869, 15405, 15879, 16353, 20033, 23115, 23621, 26465, 27255, 39195, 46215, 47637, 60099, 68809, 69345, 70863, 79395, 81765, 100165, 118105, 121739, 180297, 206427, 212589, 238185, 300495, 344045, 354315, 365217, 608695, 619281, 901485, 1032135, 1062945, 1095651, 1582607, 1826085, 3096405, 4747821, 5478255, 7913035, 14243463, 23739105, 71217315]

約数ペア:

[(1, 71217315), (3, 23739105), (5, 14243463), (9, 7913035), (13, 5478255), (15, 4747821), (23, 3096405), (39, 1826085), (45, 1582607), (65, 1095651), (67, 1062945), (69, 1032135), (79, 901485), (115, 619281), (117, 608695), (195, 365217), (201, 354315), (207, 344045), (237, 300495), (299, 238185), (335, 212589), (345, 206427), (395, 180297), (585, 121739), (603, 118105), (711, 100165), (871, 81765), (897, 79395), (1005, 70863), (1027, 69345), (1035, 68809), (1185, 60099), (1495, 47637), (1541, 46215), (1817, 39195), (2613, 27255), (2691, 26465), (3015, 23621), (3081, 23115), (3555, 20033), (4355, 16353), (4485, 15879), (4623, 15405), (5135, 13869), (5293, 13455), (5451, 13065), (7705, 9243), (7839, 9085)]