1215661891

素因数分解:

${\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{3407}}^1$

素因数の和:3714

約数の個数: 16

約数和(自身を含む): 1305400320

約数和(自身を除く): 89738429

約数列:

[1, 17, 139, 151, 2363, 2567, 3407, 20989, 57919, 356813, 473573, 514457, 8050741, 8745769, 71509523, 1215661891]

約数ペア:

[(1, 1215661891), (17, 71509523), (139, 8745769), (151, 8050741), (2363, 514457), (2567, 473573), (3407, 356813), (20989, 57919)]