2153403

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 36

約数和(自身を含む): 3823560

約数和(自身を除く): 1670157

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 257, 399, 441, 771, 931, 1197, 1799, 2313, 2793, 4883, 5397, 8379, 12593, 14649, 16191, 34181, 37779, 43947, 102543, 113337, 239267, 307629, 717801, 2153403]

約数ペア:

[(1, 2153403), (3, 717801), (7, 307629), (9, 239267), (19, 113337), (21, 102543), (49, 43947), (57, 37779), (63, 34181), (133, 16191), (147, 14649), (171, 12593), (257, 8379), (399, 5397), (441, 4883), (771, 2793), (931, 2313), (1197, 1799)]