207891117

素因数分解:

$3^6\times 7^1\times {\mathrm{40739}}^1$

素因数の和:40764

約数の個数: 28

約数和(自身を含む): 356230560

約数和(自身を除く): 148339443

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 40739, 122217, 285173, 366651, 855519, 1099953, 2566557, 3299859, 7699671, 9899577, 23099013, 29698731, 69297039, 207891117]

約数ペア:

[(1, 207891117), (3, 69297039), (7, 29698731), (9, 23099013), (21, 9899577), (27, 7699671), (63, 3299859), (81, 2566557), (189, 1099953), (243, 855519), (567, 366651), (729, 285173), (1701, 122217), (5103, 40739)]