318115

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 446400

約数和(自身を除く): 128285

約数列:

[1, 5, 7, 35, 61, 149, 305, 427, 745, 1043, 2135, 5215, 9089, 45445, 63623, 318115]

約数ペア:

[(1, 318115), (5, 63623), (7, 45445), (35, 9089), (61, 5215), (149, 2135), (305, 1043), (427, 745)]