87490515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{20323}}^1$

素因数の和:20379

約数の個数: 32

約数和(自身を含む): 163892736

約数和(自身を除く): 76402221

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 20323, 60969, 101615, 142261, 304845, 426783, 711305, 833243, 2133915, 2499729, 4166215, 5832701, 12498645, 17498103, 29163505, 87490515]

約数ペア:

[(1, 87490515), (3, 29163505), (5, 17498103), (7, 12498645), (15, 5832701), (21, 4166215), (35, 2499729), (41, 2133915), (105, 833243), (123, 711305), (205, 426783), (287, 304845), (615, 142261), (861, 101615), (1435, 60969), (4305, 20323)]