87894513

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 154510720

約数和(自身を除く): 66616207

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 133, 171, 291, 399, 679, 757, 873, 1197, 1843, 2037, 2271, 5299, 5529, 6111, 6813, 12901, 14383, 15897, 16587, 38703, 43149, 47691, 73429, 100681, 116109, 129447, 220287, 302043, 514003, 660861, 906129, 1395151, 1542009, 4185453, 4626027, 9766057, 12556359, 29298171, 87894513]

約数ペア:

[(1, 87894513), (3, 29298171), (7, 12556359), (9, 9766057), (19, 4626027), (21, 4185453), (57, 1542009), (63, 1395151), (97, 906129), (133, 660861), (171, 514003), (291, 302043), (399, 220287), (679, 129447), (757, 116109), (873, 100681), (1197, 73429), (1843, 47691), (2037, 43149), (2271, 38703), (5299, 16587), (5529, 15897), (6111, 14383), (6813, 12901)]