65131647

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 102090240

約数和(自身を除く): 36958593

約数列:

[1, 3, 7, 21, 53, 139, 159, 371, 417, 421, 973, 1113, 1263, 2919, 2947, 7367, 8841, 22101, 22313, 51569, 58519, 66939, 154707, 156191, 175557, 409633, 468573, 1228899, 3101507, 9304521, 21710549, 65131647]

約数ペア:

[(1, 65131647), (3, 21710549), (7, 9304521), (21, 3101507), (53, 1228899), (139, 468573), (159, 409633), (371, 175557), (417, 156191), (421, 154707), (973, 66939), (1113, 58519), (1263, 51569), (2919, 22313), (2947, 22101), (7367, 8841)]