25163847

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 40734720

約数和(自身を除く): 15570873

約数列:

[1, 3, 9, 19, 31, 47, 57, 93, 101, 141, 171, 279, 303, 423, 589, 893, 909, 1457, 1767, 1919, 2679, 3131, 4371, 4747, 5301, 5757, 8037, 9393, 13113, 14241, 17271, 27683, 28179, 42723, 59489, 83049, 90193, 147157, 178467, 249147, 270579, 441471, 535401, 811737, 1324413, 2795983, 8387949, 25163847]

約数ペア:

[(1, 25163847), (3, 8387949), (9, 2795983), (19, 1324413), (31, 811737), (47, 535401), (57, 441471), (93, 270579), (101, 249147), (141, 178467), (171, 147157), (279, 90193), (303, 83049), (423, 59489), (589, 42723), (893, 28179), (909, 27683), (1457, 17271), (1767, 14241), (1919, 13113), (2679, 9393), (3131, 8037), (4371, 5757), (4747, 5301)]