57821421

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{8369}}^1$

素因数の和:8433

約数の個数: 24

約数和(自身を含む): 91601280

約数和(自身を除く): 33779859

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 8369, 25107, 58583, 175749, 393343, 410081, 1180029, 1230243, 2753401, 8260203, 19273807, 57821421]

約数ペア:

[(1, 57821421), (3, 19273807), (7, 8260203), (21, 2753401), (47, 1230243), (49, 1180029), (141, 410081), (147, 393343), (329, 175749), (987, 58583), (2303, 25107), (6909, 8369)]