30871715

素因数分解:

$5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 13365085

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 343, 383, 1645, 1715, 1915, 2303, 2681, 11515, 13405, 16121, 18001, 18767, 80605, 90005, 93835, 126007, 131369, 630035, 656845, 882049, 4410245, 6174343, 30871715]

約数ペア:

[(1, 30871715), (5, 6174343), (7, 4410245), (35, 882049), (47, 656845), (49, 630035), (235, 131369), (245, 126007), (329, 93835), (343, 90005), (383, 80605), (1645, 18767), (1715, 18001), (1915, 16121), (2303, 13405), (2681, 11515)]