207675657

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7793}}^1$

素因数の和:7859

約数の個数: 40

約数和(自身を含む): 362140416

約数和(自身を除く): 154464759

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 7793, 8883, 23379, 26649, 54551, 70137, 163653, 210411, 366271, 490959, 631233, 1098813, 1472877, 2563897, 3296439, 4418631, 7691691, 9889317, 23075073, 29667951, 69225219, 207675657]

約数ペア:

[(1, 207675657), (3, 69225219), (7, 29667951), (9, 23075073), (21, 9889317), (27, 7691691), (47, 4418631), (63, 3296439), (81, 2563897), (141, 1472877), (189, 1098813), (329, 631233), (423, 490959), (567, 366271), (987, 210411), (1269, 163653), (2961, 70137), (3807, 54551), (7793, 26649), (8883, 23379)]