2784609

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 4268160

約数和(自身を除く): 1483551

約数列:

[1, 3, 9, 29, 47, 87, 141, 227, 261, 423, 681, 1363, 2043, 4089, 6583, 10669, 12267, 19749, 32007, 59247, 96021, 309401, 928203, 2784609]

約数ペア:

[(1, 2784609), (3, 928203), (9, 309401), (29, 96021), (47, 59247), (87, 32007), (141, 19749), (227, 12267), (261, 10669), (423, 6583), (681, 4089), (1363, 2043)]