67987479

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 106168320

約数和(自身を除く): 38180841

約数列:

[1, 3, 7, 21, 79, 107, 237, 321, 383, 553, 749, 1149, 1659, 2247, 2681, 8043, 8453, 25359, 30257, 40981, 59171, 90771, 122943, 177513, 211799, 286867, 635397, 860601, 3237499, 9712497, 22662493, 67987479]

約数ペア:

[(1, 67987479), (3, 22662493), (7, 9712497), (21, 3237499), (79, 860601), (107, 635397), (237, 286867), (321, 211799), (383, 177513), (553, 122943), (749, 90771), (1149, 59171), (1659, 40981), (2247, 30257), (2681, 25359), (8043, 8453)]