2891637

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 36

約数和(自身を含む): 4979520

約数和(自身を除く): 2087883

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 83, 147, 237, 249, 441, 553, 581, 711, 747, 1659, 1743, 3871, 4067, 4977, 5229, 6557, 11613, 12201, 19671, 34839, 36603, 45899, 59013, 137697, 321293, 413091, 963879, 2891637]

約数ペア:

[(1, 2891637), (3, 963879), (7, 413091), (9, 321293), (21, 137697), (49, 59013), (63, 45899), (79, 36603), (83, 34839), (147, 19671), (237, 12201), (249, 11613), (441, 6557), (553, 5229), (581, 4977), (711, 4067), (747, 3871), (1659, 1743)]