156943857

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8369}}^1$

素因数の和:8445

約数の個数: 32

約数和(自身を含む): 257126400

約数和(自身を除く): 100182543

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 6251, 8369, 18753, 25107, 58583, 159011, 175749, 393343, 477033, 1113077, 1180029, 2753401, 3339231, 7473517, 8260203, 22420551, 52314619, 156943857]

約数ペア:

[(1, 156943857), (3, 52314619), (7, 22420551), (19, 8260203), (21, 7473517), (47, 3339231), (57, 2753401), (133, 1180029), (141, 1113077), (329, 477033), (399, 393343), (893, 175749), (987, 159011), (2679, 58583), (6251, 25107), (8369, 18753)]