81259409

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 108364800

約数和(自身を除く): 27105391

約数列:

[1, 7, 11, 19, 67, 77, 133, 209, 469, 737, 829, 1273, 1463, 5159, 5803, 8911, 9119, 14003, 15751, 55543, 63833, 98021, 110257, 173261, 388801, 610973, 1055317, 1212827, 4276811, 7387219, 11608487, 81259409]

約数ペア:

[(1, 81259409), (7, 11608487), (11, 7387219), (19, 4276811), (67, 1212827), (77, 1055317), (133, 610973), (209, 388801), (469, 173261), (737, 110257), (829, 98021), (1273, 63833), (1463, 55543), (5159, 15751), (5803, 14003), (8911, 9119)]