87216885

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 192844800

約数和(自身を除く): 105627915

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 61, 63, 85, 89, 105, 119, 135, 153, 183, 189, 255, 267, 305, 315, 357, 427, 445, 459, 549, 595, 623, 765, 801, 915, 945, 1037, 1071, 1281, 1335, 1513, 1647, 1785, 1869, 2135, 2295, 2403, 2745, 3111, 3115, 3213, 3843, 4005, 4539, 5185, 5355, 5429, 5607, 6405, 7259, 7565, 8235, 9333, 9345, 10591, 11529, 12015, 13617, 15555, 16065, 16287, 16821, 19215, 21777, 22695, 27145, 27999, 28035, 31773, 36295, 38003, 40851, 46665, 48861, 52955, 57645, 65331, 68085, 81435, 84105, 92293, 95319, 108885, 114009, 139995, 146583, 158865, 190015, 195993, 204255, 244305, 276879, 285957, 326655, 342027, 461465, 476595, 570045, 646051, 732915, 830637, 979965, 1026081, 1384395, 1429785, 1710135, 1938153, 2491911, 3230255, 4153185, 5130405, 5814459, 9690765, 12459555, 17443377, 29072295, 87216885]

約数ペア:

[(1, 87216885), (3, 29072295), (5, 17443377), (7, 12459555), (9, 9690765), (15, 5814459), (17, 5130405), (21, 4153185), (27, 3230255), (35, 2491911), (45, 1938153), (51, 1710135), (61, 1429785), (63, 1384395), (85, 1026081), (89, 979965), (105, 830637), (119, 732915), (135, 646051), (153, 570045), (183, 476595), (189, 461465), (255, 342027), (267, 326655), (305, 285957), (315, 276879), (357, 244305), (427, 204255), (445, 195993), (459, 190015), (549, 158865), (595, 146583), (623, 139995), (765, 114009), (801, 108885), (915, 95319), (945, 92293), (1037, 84105), (1071, 81435), (1281, 68085), (1335, 65331), (1513, 57645), (1647, 52955), (1785, 48861), (1869, 46665), (2135, 40851), (2295, 38003), (2403, 36295), (2745, 31773), (3111, 28035), (3115, 27999), (3213, 27145), (3843, 22695), (4005, 21777), (4539, 19215), (5185, 16821), (5355, 16287), (5429, 16065), (5607, 15555), (6405, 13617), (7259, 12015), (7565, 11529), (8235, 10591), (9333, 9345)]