1388409627

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{385991}}^1$

素因数の和:386114

約数の個数: 16

約数和(自身を含む): 2038037760

約数和(自身を除く): 649628133

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 385991, 1157973, 4245901, 12737703, 42073019, 126219057, 462803209, 1388409627]

約数ペア:

[(1, 1388409627), (3, 462803209), (11, 126219057), (33, 42073019), (109, 12737703), (327, 4245901), (1199, 1157973), (3597, 385991)]