25505529

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 42462720

約数和(自身を除く): 16957191

約数列:

[1, 3, 7, 21, 29, 31, 49, 87, 93, 147, 193, 203, 217, 579, 609, 651, 899, 1351, 1421, 1519, 2697, 4053, 4263, 4557, 5597, 5983, 6293, 9457, 16791, 17949, 18879, 28371, 39179, 41881, 44051, 117537, 125643, 132153, 173507, 274253, 293167, 520521, 822759, 879501, 1214549, 3643647, 8501843, 25505529]

約数ペア:

[(1, 25505529), (3, 8501843), (7, 3643647), (21, 1214549), (29, 879501), (31, 822759), (49, 520521), (87, 293167), (93, 274253), (147, 173507), (193, 132153), (203, 125643), (217, 117537), (579, 44051), (609, 41881), (651, 39179), (899, 28371), (1351, 18879), (1421, 17949), (1519, 16791), (2697, 9457), (4053, 6293), (4263, 5983), (4557, 5597)]