81770661

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3253}}^1$

素因数の和:3295

約数の個数: 48

約数和(自身を含む): 148382400

約数和(自身を除く): 66611739

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 2793, 3253, 3591, 8379, 9759, 22771, 25137, 29277, 61807, 68313, 87831, 159397, 185421, 204939, 432649, 478191, 556263, 614817, 1297947, 1434573, 1668789, 3028543, 3893841, 4303719, 9085629, 11681523, 27256887, 81770661]

約数ペア:

[(1, 81770661), (3, 27256887), (7, 11681523), (9, 9085629), (19, 4303719), (21, 3893841), (27, 3028543), (49, 1668789), (57, 1434573), (63, 1297947), (133, 614817), (147, 556263), (171, 478191), (189, 432649), (399, 204939), (441, 185421), (513, 159397), (931, 87831), (1197, 68313), (1323, 61807), (2793, 29277), (3253, 25137), (3591, 22771), (8379, 9759)]