1388071509

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{385897}}^1$

素因数の和:386020

約数の個数: 16

約数和(自身を含む): 2037541440

約数和(自身を除く): 649469931

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 385897, 1157691, 4244867, 12734601, 42062773, 126188319, 462690503, 1388071509]

約数ペア:

[(1, 1388071509), (3, 462690503), (11, 126188319), (33, 42062773), (109, 12734601), (327, 4244867), (1199, 1157691), (3597, 385897)]