201901581

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{168673}}^1$

素因数の和:168705

約数の個数: 24

約数和(自身を含む): 350841920

約数和(自身を除く): 148940339

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 168673, 506019, 1180711, 1518057, 3204787, 3542133, 9614361, 10626399, 22433509, 28843083, 67300527, 201901581]

約数ペア:

[(1, 201901581), (3, 67300527), (7, 28843083), (9, 22433509), (19, 10626399), (21, 9614361), (57, 3542133), (63, 3204787), (133, 1518057), (171, 1180711), (399, 506019), (1197, 168673)]