1640921187

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{429673}}^1$

素因数の和:429762

約数の個数: 16

約数和(自身を含む): 2337426560

約数和(自身を除く): 696505373

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 429673, 1289019, 8163787, 24491361, 28788091, 86364273, 546973729, 1640921187]

約数ペア:

[(1, 1640921187), (3, 546973729), (19, 86364273), (57, 28788091), (67, 24491361), (201, 8163787), (1273, 1289019), (3819, 429673)]