388925715

素因数分解:

$3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 628632576

約数和(自身を除く): 239706861

約数列:

[1, 3, 5, 15, 263, 311, 317, 789, 933, 951, 1315, 1555, 1585, 3945, 4665, 4755, 81793, 83371, 98587, 245379, 250113, 295761, 408965, 416855, 492935, 1226895, 1250565, 1478805, 25928381, 77785143, 129641905, 388925715]

約数ペア:

[(1, 388925715), (3, 129641905), (5, 77785143), (15, 25928381), (263, 1478805), (311, 1250565), (317, 1226895), (789, 492935), (933, 416855), (951, 408965), (1315, 295761), (1555, 250113), (1585, 245379), (3945, 98587), (4665, 83371), (4755, 81793)]