15881397

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{751}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 25989120

約数和(自身を除く): 10107723

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 751, 1007, 1113, 2253, 3021, 5257, 7049, 14269, 15771, 21147, 39803, 42807, 99883, 119409, 278621, 299649, 756257, 835863, 2268771, 5293799, 15881397]

約数ペア:

[(1, 15881397), (3, 5293799), (7, 2268771), (19, 835863), (21, 756257), (53, 299649), (57, 278621), (133, 119409), (159, 99883), (371, 42807), (399, 39803), (751, 21147), (1007, 15771), (1113, 14269), (2253, 7049), (3021, 5257)]