121587315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20731}}^1$

素因数の和:20779

約数の個数: 32

約数和(自身を含む): 214949376

約数和(自身を除く): 93362061

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 20731, 62193, 103655, 310965, 352427, 476813, 1057281, 1430439, 1762135, 2384065, 5286405, 7152195, 8105821, 24317463, 40529105, 121587315]

約数ペア:

[(1, 121587315), (3, 40529105), (5, 24317463), (15, 8105821), (17, 7152195), (23, 5286405), (51, 2384065), (69, 1762135), (85, 1430439), (115, 1057281), (255, 476813), (345, 352427), (391, 310965), (1173, 103655), (1955, 62193), (5865, 20731)]