127720131

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{839}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 212889600

約数和(自身を除く): 85169469

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 659, 839, 1977, 2517, 4613, 5873, 7249, 9229, 13839, 17619, 21747, 27687, 50743, 64603, 152229, 193809, 552901, 1658703, 3870307, 6081911, 11610921, 18245733, 42573377, 127720131]

約数ペア:

[(1, 127720131), (3, 42573377), (7, 18245733), (11, 11610921), (21, 6081911), (33, 3870307), (77, 1658703), (231, 552901), (659, 193809), (839, 152229), (1977, 64603), (2517, 50743), (4613, 27687), (5873, 21747), (7249, 17619), (9229, 13839)]