127923887

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 164204544

約数和(自身を除く): 36280657

約数列:

[1, 7, 13, 31, 91, 137, 217, 331, 403, 959, 1781, 2317, 2821, 4247, 4303, 10261, 12467, 29729, 30121, 45347, 55211, 71827, 133393, 317429, 386477, 589511, 933751, 1405757, 4126577, 9840299, 18274841, 127923887]

約数ペア:

[(1, 127923887), (7, 18274841), (13, 9840299), (31, 4126577), (91, 1405757), (137, 933751), (217, 589511), (331, 386477), (403, 317429), (959, 133393), (1781, 71827), (2317, 55211), (2821, 45347), (4247, 30121), (4303, 29729), (10261, 12467)]