1680309117

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{86077}}^1$

素因数の和:86330

約数の個数: 20

約数和(自身を含む): 2520535996

約数和(自身を除く): 840226879

約数列:

[1, 3, 9, 27, 81, 241, 723, 2169, 6507, 19521, 86077, 258231, 774693, 2324079, 6972237, 20744557, 62233671, 186701013, 560103039, 1680309117]

約数ペア:

[(1, 1680309117), (3, 560103039), (9, 186701013), (27, 62233671), (81, 20744557), (241, 6972237), (723, 2324079), (2169, 774693), (6507, 258231), (19521, 86077)]