291250869

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{22699}}^1$

素因数の和:22769

約数の個数: 32

約数和(自身を含む): 488140800

約数和(自身を除く): 196889931

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 22699, 68097, 158893, 295087, 476679, 885261, 1066853, 2065609, 3200559, 6196827, 7467971, 13869089, 22403913, 41607267, 97083623, 291250869]

約数ペア:

[(1, 291250869), (3, 97083623), (7, 41607267), (13, 22403913), (21, 13869089), (39, 7467971), (47, 6196827), (91, 3200559), (141, 2065609), (273, 1066853), (329, 885261), (611, 476679), (987, 295087), (1833, 158893), (4277, 68097), (12831, 22699)]