378049653

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 571392000

約数和(自身を除く): 193342347

約数列:

[1, 3, 9, 27, 71, 199, 213, 597, 639, 991, 1791, 1917, 2973, 5373, 8919, 14129, 26757, 42387, 70361, 127161, 197209, 211083, 381483, 591627, 633249, 1774881, 1899747, 5324643, 14001839, 42005517, 126016551, 378049653]

約数ペア:

[(1, 378049653), (3, 126016551), (9, 42005517), (27, 14001839), (71, 5324643), (199, 1899747), (213, 1774881), (597, 633249), (639, 591627), (991, 381483), (1791, 211083), (1917, 197209), (2973, 127161), (5373, 70361), (8919, 42387), (14129, 26757)]