20176221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 10531491

約数列:

[1, 3, 13, 23, 39, 69, 83, 249, 271, 299, 813, 897, 1079, 1909, 3237, 3523, 5727, 6233, 10569, 18699, 22493, 24817, 67479, 74451, 81029, 243087, 292409, 517339, 877227, 1552017, 6725407, 20176221]

約数ペア:

[(1, 20176221), (3, 6725407), (13, 1552017), (23, 877227), (39, 517339), (69, 292409), (83, 243087), (249, 81029), (271, 74451), (299, 67479), (813, 24817), (897, 22493), (1079, 18699), (1909, 10569), (3237, 6233), (3523, 5727)]