27879813

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 18822843

約数列:

[1, 3, 9, 13, 17, 39, 51, 107, 117, 131, 153, 221, 321, 393, 663, 963, 1179, 1391, 1703, 1819, 1989, 2227, 4173, 5109, 5457, 6681, 12519, 14017, 15327, 16371, 20043, 23647, 28951, 42051, 70941, 86853, 126153, 182221, 212823, 238289, 260559, 546663, 714867, 1639989, 2144601, 3097757, 9293271, 27879813]

約数ペア:

[(1, 27879813), (3, 9293271), (9, 3097757), (13, 2144601), (17, 1639989), (39, 714867), (51, 546663), (107, 260559), (117, 238289), (131, 212823), (153, 182221), (221, 126153), (321, 86853), (393, 70941), (663, 42051), (963, 28951), (1179, 23647), (1391, 20043), (1703, 16371), (1819, 15327), (1989, 14017), (2227, 12519), (4173, 6681), (5109, 5457)]