256890411

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 375242400

約数和(自身を除く): 118351989

約数列:

[1, 3, 9, 151, 421, 449, 453, 1263, 1347, 1359, 3789, 4041, 63571, 67799, 189029, 190713, 203397, 567087, 572139, 610191, 1701261, 28543379, 85630137, 256890411]

約数ペア:

[(1, 256890411), (3, 85630137), (9, 28543379), (151, 1701261), (421, 610191), (449, 572139), (453, 567087), (1263, 203397), (1347, 190713), (1359, 189029), (3789, 67799), (4041, 63571)]