26987163

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 43622400

約数和(自身を除く): 16635237

約数列:

[1, 3, 7, 19, 21, 57, 133, 239, 283, 399, 717, 849, 1673, 1981, 4541, 5019, 5377, 5943, 13623, 16131, 31787, 37639, 67637, 95361, 112917, 202911, 473459, 1285103, 1420377, 3855309, 8995721, 26987163]

約数ペア:

[(1, 26987163), (3, 8995721), (7, 3855309), (19, 1420377), (21, 1285103), (57, 473459), (133, 202911), (239, 112917), (283, 95361), (399, 67637), (717, 37639), (849, 31787), (1673, 16131), (1981, 13623), (4541, 5943), (5019, 5377)]