289773057

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{205951}}^1$

素因数の和:206028

約数の個数: 16

約数和(自身を含む): 448151552

約数和(自身を除く): 158378495

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 205951, 617853, 1441657, 4324971, 13798717, 41396151, 96591019, 289773057]

約数ペア:

[(1, 289773057), (3, 96591019), (7, 41396151), (21, 13798717), (67, 4324971), (201, 1441657), (469, 617853), (1407, 205951)]