642743457

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1\times {\mathrm{5563}}^1$

素因数の和:7612

約数の個数: 16

約数和(自身を含む): 902703360

約数和(自身を除く): 259959903

約数列:

[1, 3, 19, 57, 2027, 5563, 6081, 16689, 38513, 105697, 115539, 317091, 11276201, 33828603, 214247819, 642743457]

約数ペア:

[(1, 642743457), (3, 214247819), (19, 33828603), (57, 11276201), (2027, 317091), (5563, 115539), (6081, 105697), (16689, 38513)]