42137955

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 80317440

約数和(自身を除く): 38179485

約数列:

[1, 3, 5, 9, 15, 23, 27, 41, 45, 69, 115, 123, 135, 205, 207, 331, 345, 369, 615, 621, 943, 993, 1035, 1107, 1655, 1845, 2829, 2979, 3105, 4715, 4965, 5535, 7613, 8487, 8937, 13571, 14145, 14895, 22839, 25461, 38065, 40713, 42435, 44685, 67855, 68517, 114195, 122139, 127305, 203565, 205551, 312133, 342585, 366417, 610695, 936399, 1027755, 1560665, 1832085, 2809197, 4681995, 8427591, 14045985, 42137955]

約数ペア:

[(1, 42137955), (3, 14045985), (5, 8427591), (9, 4681995), (15, 2809197), (23, 1832085), (27, 1560665), (41, 1027755), (45, 936399), (69, 610695), (115, 366417), (123, 342585), (135, 312133), (205, 205551), (207, 203565), (331, 127305), (345, 122139), (369, 114195), (615, 68517), (621, 67855), (943, 44685), (993, 42435), (1035, 40713), (1107, 38065), (1655, 25461), (1845, 22839), (2829, 14895), (2979, 14145), (3105, 13571), (4715, 8937), (4965, 8487), (5535, 7613)]