80920791

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 142854400

約数和(自身を除く): 61933609

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 171, 201, 399, 469, 603, 1009, 1197, 1273, 1407, 3027, 3819, 4221, 7063, 8911, 9081, 11457, 19171, 21189, 26733, 57513, 63567, 67603, 80199, 134197, 172539, 202809, 402591, 473221, 608427, 1207773, 1284457, 1419663, 3853371, 4258989, 8991199, 11560113, 26973597, 80920791]

約数ペア:

[(1, 80920791), (3, 26973597), (7, 11560113), (9, 8991199), (19, 4258989), (21, 3853371), (57, 1419663), (63, 1284457), (67, 1207773), (133, 608427), (171, 473221), (201, 402591), (399, 202809), (469, 172539), (603, 134197), (1009, 80199), (1197, 67603), (1273, 63567), (1407, 57513), (3027, 26733), (3819, 21189), (4221, 19171), (7063, 11457), (8911, 9081)]