1639247997

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{124781}}^1$

素因数の和:124964

約数の個数: 16

約数和(自身を含む): 2276023680

約数和(自身を除く): 636775683

約数列:

[1, 3, 29, 87, 151, 453, 4379, 13137, 124781, 374343, 3618649, 10855947, 18841931, 56525793, 546415999, 1639247997]

約数ペア:

[(1, 1639247997), (3, 546415999), (29, 56525793), (87, 18841931), (151, 10855947), (453, 3618649), (4379, 374343), (13137, 124781)]