68723265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20731}}^1$

素因数の和:20769

約数の個数: 32

約数和(自身を含む): 125387136

約数和(自身を除く): 56663871

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 20731, 62193, 103655, 269503, 310965, 352427, 808509, 1057281, 1347515, 1762135, 4042545, 4581551, 5286405, 13744653, 22907755, 68723265]

約数ペア:

[(1, 68723265), (3, 22907755), (5, 13744653), (13, 5286405), (15, 4581551), (17, 4042545), (39, 1762135), (51, 1347515), (65, 1057281), (85, 808509), (195, 352427), (221, 310965), (255, 269503), (663, 103655), (1105, 62193), (3315, 20731)]