201881897

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{21379}}^1$

素因数の和:21476

約数の個数: 16

約数和(自身を含む): 246297600

約数和(自身を除く): 44415703

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 21379, 149653, 406201, 1517909, 2843407, 10625363, 28840271, 201881897]

約数ペア:

[(1, 201881897), (7, 28840271), (19, 10625363), (71, 2843407), (133, 1517909), (497, 406201), (1349, 149653), (9443, 21379)]