90648867

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 138245120

約数和(自身を除く): 47596253

約数列:

[1, 3, 19, 29, 31, 57, 61, 87, 93, 183, 551, 589, 841, 899, 1159, 1653, 1767, 1769, 1891, 2523, 2697, 3477, 5307, 5673, 15979, 17081, 26071, 33611, 35929, 47937, 51243, 51301, 54839, 78213, 100833, 107787, 153903, 164517, 495349, 974719, 1041941, 1486047, 1590331, 2924157, 3125823, 4770993, 30216289, 90648867]

約数ペア:

[(1, 90648867), (3, 30216289), (19, 4770993), (29, 3125823), (31, 2924157), (57, 1590331), (61, 1486047), (87, 1041941), (93, 974719), (183, 495349), (551, 164517), (589, 153903), (841, 107787), (899, 100833), (1159, 78213), (1653, 54839), (1767, 51301), (1769, 51243), (1891, 47937), (2523, 35929), (2697, 33611), (3477, 26071), (5307, 17081), (5673, 15979)]