127680553

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 172488960

約数和(自身を除く): 44808407

約数列:

[1, 7, 11, 13, 77, 91, 143, 229, 557, 1001, 1603, 2519, 2977, 3899, 6127, 7241, 17633, 20839, 32747, 42889, 50687, 79651, 127553, 229229, 557557, 892871, 1403083, 1658189, 9821581, 11607323, 18240079, 127680553]

約数ペア:

[(1, 127680553), (7, 18240079), (11, 11607323), (13, 9821581), (77, 1658189), (91, 1403083), (143, 892871), (229, 557557), (557, 229229), (1001, 127553), (1603, 79651), (2519, 50687), (2977, 42889), (3899, 32747), (6127, 20839), (7241, 17633)]