172138911

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{31649}}^1$

素因数の和:31703

約数の個数: 24

約数和(自身を含む): 274215600

約数和(自身を除く): 102076689

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 31649, 94947, 221543, 664629, 1171013, 1550801, 3513039, 4652403, 8197091, 24591273, 57379637, 172138911]

約数ペア:

[(1, 172138911), (3, 57379637), (7, 24591273), (21, 8197091), (37, 4652403), (49, 3513039), (111, 1550801), (147, 1171013), (259, 664629), (777, 221543), (1813, 94947), (5439, 31649)]