1661900541

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{2861}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 2564352000

約数和(自身を除く): 902451459

約数列:

[1, 3, 7, 21, 139, 199, 417, 597, 973, 1393, 2861, 2919, 4179, 8583, 20027, 27661, 60081, 82983, 193627, 397679, 569339, 580881, 1193037, 1708017, 2783753, 3985373, 8351259, 11956119, 79138121, 237414363, 553966847, 1661900541]

約数ペア:

[(1, 1661900541), (3, 553966847), (7, 237414363), (21, 79138121), (139, 11956119), (199, 8351259), (417, 3985373), (597, 2783753), (973, 1708017), (1393, 1193037), (2861, 580881), (2919, 569339), (4179, 397679), (8583, 193627), (20027, 82983), (27661, 60081)]