1919385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 3813264

約数和(自身を除く): 1893879

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 193, 195, 221, 255, 579, 585, 663, 765, 965, 1105, 1737, 1989, 2509, 2895, 3281, 3315, 7527, 8685, 9843, 9945, 12545, 16405, 22581, 29529, 37635, 42653, 49215, 112905, 127959, 147645, 213265, 383877, 639795, 1919385]

約数ペア:

[(1, 1919385), (3, 639795), (5, 383877), (9, 213265), (13, 147645), (15, 127959), (17, 112905), (39, 49215), (45, 42653), (51, 37635), (65, 29529), (85, 22581), (117, 16405), (153, 12545), (193, 9945), (195, 9843), (221, 8685), (255, 7527), (579, 3315), (585, 3281), (663, 2895), (765, 2509), (965, 1989), (1105, 1737)]