2122281

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 3833280

約数和(自身を除く): 1710999

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 197, 399, 513, 567, 591, 1197, 1379, 1539, 1773, 3591, 3743, 4137, 5319, 10773, 11229, 12411, 15957, 26201, 33687, 37233, 78603, 101061, 111699, 235809, 303183, 707427, 2122281]

約数ペア:

[(1, 2122281), (3, 707427), (7, 303183), (9, 235809), (19, 111699), (21, 101061), (27, 78603), (57, 37233), (63, 33687), (81, 26201), (133, 15957), (171, 12411), (189, 11229), (197, 10773), (399, 5319), (513, 4137), (567, 3743), (591, 3591), (1197, 1773), (1379, 1539)]