258321945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{6197}}^1$

素因数の和:6609

約数の個数: 32

約数和(自身を含む): 473626368

約数和(自身を除く): 215304423

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 397, 1191, 1985, 2779, 5955, 6197, 8337, 13895, 18591, 30985, 41685, 43379, 92955, 130137, 216895, 650685, 2460209, 7380627, 12301045, 17221463, 36903135, 51664389, 86107315, 258321945]

約数ペア:

[(1, 258321945), (3, 86107315), (5, 51664389), (7, 36903135), (15, 17221463), (21, 12301045), (35, 7380627), (105, 2460209), (397, 650685), (1191, 216895), (1985, 130137), (2779, 92955), (5955, 43379), (6197, 41685), (8337, 30985), (13895, 18591)]