490695231

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{1289}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 724711680

約数和(自身を除く): 234016449

約数列:

[1, 3, 13, 39, 43, 129, 227, 559, 681, 1289, 1677, 2951, 3867, 8853, 9761, 16757, 29283, 50271, 55427, 126893, 166281, 292603, 380679, 720551, 877809, 2161653, 3803839, 11411517, 12581929, 37745787, 163565077, 490695231]

約数ペア:

[(1, 490695231), (3, 163565077), (13, 37745787), (39, 12581929), (43, 11411517), (129, 3803839), (227, 2161653), (559, 877809), (681, 720551), (1289, 380679), (1677, 292603), (2951, 166281), (3867, 126893), (8853, 55427), (9761, 50271), (16757, 29283)]