7930818

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{20981}}^1$

素因数の和:20999

約数の個数: 32

約数和(自身を含む): 20142720

約数和(自身を除く): 12211902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 20981, 41962, 62943, 125886, 146867, 188829, 293734, 377658, 440601, 566487, 881202, 1132974, 1321803, 2643606, 3965409, 7930818]

約数ペア:

[(1, 7930818), (2, 3965409), (3, 2643606), (6, 1321803), (7, 1132974), (9, 881202), (14, 566487), (18, 440601), (21, 377658), (27, 293734), (42, 188829), (54, 146867), (63, 125886), (126, 62943), (189, 41962), (378, 20981)]