71785497

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 112545792

約数和(自身を除く): 40760295

約数列:

[1, 3, 7, 21, 47, 141, 257, 283, 329, 771, 849, 987, 1799, 1981, 5397, 5943, 12079, 13301, 36237, 39903, 72731, 84553, 93107, 218193, 253659, 279321, 509117, 1527351, 3418357, 10255071, 23928499, 71785497]

約数ペア:

[(1, 71785497), (3, 23928499), (7, 10255071), (21, 3418357), (47, 1527351), (141, 509117), (257, 279321), (283, 253659), (329, 218193), (771, 93107), (849, 84553), (987, 72731), (1799, 39903), (1981, 36237), (5397, 13301), (5943, 12079)]