16988907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 26046720

約数和(自身を除く): 9057813

約数列:

[1, 3, 13, 19, 39, 57, 101, 227, 247, 303, 681, 741, 1313, 1919, 2951, 3939, 4313, 5757, 8853, 12939, 22927, 24947, 56069, 68781, 74841, 168207, 298051, 435613, 894153, 1306839, 5662969, 16988907]

約数ペア:

[(1, 16988907), (3, 5662969), (13, 1306839), (19, 894153), (39, 435613), (57, 298051), (101, 168207), (227, 74841), (247, 68781), (303, 56069), (681, 24947), (741, 22927), (1313, 12939), (1919, 8853), (2951, 5757), (3939, 4313)]