177990717

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 252717696

約数和(自身を除く): 74726979

約数列:

[1, 3, 41, 43, 73, 123, 129, 219, 461, 1383, 1763, 2993, 3139, 5289, 8979, 9417, 18901, 19823, 33653, 56703, 59469, 100959, 128699, 386097, 812743, 1379773, 1447079, 2438229, 4139319, 4341237, 59330239, 177990717]

約数ペア:

[(1, 177990717), (3, 59330239), (41, 4341237), (43, 4139319), (73, 2438229), (123, 1447079), (129, 1379773), (219, 812743), (461, 386097), (1383, 128699), (1763, 100959), (2993, 59469), (3139, 56703), (5289, 33653), (8979, 19823), (9417, 18901)]