291151887

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{823}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 429692928

約数和(自身を除く): 138541041

約数列:

[1, 3, 13, 39, 47, 141, 193, 579, 611, 823, 1833, 2469, 2509, 7527, 9071, 10699, 27213, 32097, 38681, 116043, 117923, 158839, 353769, 476517, 502853, 1508559, 2064907, 6194721, 7465433, 22396299, 97050629, 291151887]

約数ペア:

[(1, 291151887), (3, 97050629), (13, 22396299), (39, 7465433), (47, 6194721), (141, 2064907), (193, 1508559), (579, 502853), (611, 476517), (823, 353769), (1833, 158839), (2469, 117923), (2509, 116043), (7527, 38681), (9071, 32097), (10699, 27213)]