1540806421

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1627}}^1$

素因数の和:1910

約数の個数: 32

約数和(自身を含む): 1969228800

約数和(自身を除く): 428422379

約数列:

[1, 7, 11, 49, 77, 251, 343, 539, 1627, 1757, 2761, 3773, 11389, 12299, 17897, 19327, 79723, 86093, 125279, 135289, 408377, 558061, 876953, 947023, 2858639, 4492147, 6138671, 20010473, 31445029, 140073311, 220115203, 1540806421]

約数ペア:

[(1, 1540806421), (7, 220115203), (11, 140073311), (49, 31445029), (77, 20010473), (251, 6138671), (343, 4492147), (539, 2858639), (1627, 947023), (1757, 876953), (2761, 558061), (3773, 408377), (11389, 135289), (12299, 125279), (17897, 86093), (19327, 79723)]