645321417

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{1153}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 942993408

約数和(自身を除く): 297671991

約数列:

[1, 3, 13, 39, 113, 127, 339, 381, 1153, 1469, 1651, 3459, 4407, 4953, 14351, 14989, 43053, 44967, 130289, 146431, 186563, 390867, 439293, 559689, 1693757, 1903603, 5081271, 5710809, 16546703, 49640109, 215107139, 645321417]

約数ペア:

[(1, 645321417), (3, 215107139), (13, 49640109), (39, 16546703), (113, 5710809), (127, 5081271), (339, 1903603), (381, 1693757), (1153, 559689), (1469, 439293), (1651, 390867), (3459, 186563), (4407, 146431), (4953, 130289), (14351, 44967), (14989, 43053)]