156977919

素因数分解:

$3^4\times 7^2\times {\mathrm{39551}}^1$

素因数の和:39577

約数の個数: 30

約数和(自身を含む): 272790144

約数和(自身を除く): 115812225

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 39551, 118653, 276857, 355959, 830571, 1067877, 1937999, 2491713, 3203631, 5813997, 7475139, 17441991, 22425417, 52325973, 156977919]

約数ペア:

[(1, 156977919), (3, 52325973), (7, 22425417), (9, 17441991), (21, 7475139), (27, 5813997), (49, 3203631), (63, 2491713), (81, 1937999), (147, 1067877), (189, 830571), (441, 355959), (567, 276857), (1323, 118653), (3969, 39551)]