81757455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1847}}^1$

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 141571584

約数和(自身を除く): 59814129

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 227, 681, 1135, 1847, 2951, 3405, 5541, 8853, 9235, 14755, 24011, 27705, 44265, 72033, 120055, 360165, 419269, 1257807, 2096345, 5450497, 6289035, 16351491, 27252485, 81757455]

約数ペア:

[(1, 81757455), (3, 27252485), (5, 16351491), (13, 6289035), (15, 5450497), (39, 2096345), (65, 1257807), (195, 419269), (227, 360165), (681, 120055), (1135, 72033), (1847, 44265), (2951, 27705), (3405, 24011), (5541, 14755), (8853, 9235)]