201215105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4133}}^1$

素因数の和:4265

約数の個数: 32

約数和(自身を含む): 300029184

約数和(自身を除く): 98814079

約数列:

[1, 5, 7, 13, 35, 65, 91, 107, 455, 535, 749, 1391, 3745, 4133, 6955, 9737, 20665, 28931, 48685, 53729, 144655, 268645, 376103, 442231, 1880515, 2211155, 3095617, 5749003, 15478085, 28745015, 40243021, 201215105]

約数ペア:

[(1, 201215105), (5, 40243021), (7, 28745015), (13, 15478085), (35, 5749003), (65, 3095617), (91, 2211155), (107, 1880515), (455, 442231), (535, 376103), (749, 268645), (1391, 144655), (3745, 53729), (4133, 48685), (6955, 28931), (9737, 20665)]