211086195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 369515520

約数和(自身を除く): 158429325

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 89, 131, 213, 255, 267, 355, 393, 445, 655, 1065, 1207, 1335, 1513, 1965, 2227, 3621, 4539, 6035, 6319, 6681, 7565, 9301, 11135, 11659, 18105, 18957, 22695, 27903, 31595, 33405, 34977, 46505, 58295, 94785, 107423, 139515, 158117, 174885, 198203, 322269, 474351, 537115, 594609, 790585, 827789, 991015, 1611345, 2371755, 2483367, 2973045, 4138945, 12416835, 14072413, 42217239, 70362065, 211086195]

約数ペア:

[(1, 211086195), (3, 70362065), (5, 42217239), (15, 14072413), (17, 12416835), (51, 4138945), (71, 2973045), (85, 2483367), (89, 2371755), (131, 1611345), (213, 991015), (255, 827789), (267, 790585), (355, 594609), (393, 537115), (445, 474351), (655, 322269), (1065, 198203), (1207, 174885), (1335, 158117), (1513, 139515), (1965, 107423), (2227, 94785), (3621, 58295), (4539, 46505), (6035, 34977), (6319, 33405), (6681, 31595), (7565, 27903), (9301, 22695), (11135, 18957), (11659, 18105)]