65242791

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 96246384

約数和(自身を除く): 31003593

約数列:

[1, 3, 9, 67, 201, 257, 421, 603, 771, 1263, 2313, 3789, 17219, 28207, 51657, 84621, 108197, 154971, 253863, 324591, 973773, 7249199, 21747597, 65242791]

約数ペア:

[(1, 65242791), (3, 21747597), (9, 7249199), (67, 973773), (201, 324591), (257, 253863), (421, 154971), (603, 108197), (771, 84621), (1263, 51657), (2313, 28207), (3789, 17219)]