215501429

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 263789568

約数和(自身を除く): 48288139

約数列:

[1, 11, 13, 31, 143, 173, 281, 341, 403, 1903, 2249, 3091, 3653, 4433, 5363, 8711, 24739, 40183, 48613, 58993, 69719, 95821, 113243, 534743, 631969, 766909, 1245673, 1507003, 6951659, 16577033, 19591039, 215501429]

約数ペア:

[(1, 215501429), (11, 19591039), (13, 16577033), (31, 6951659), (143, 1507003), (173, 1245673), (281, 766909), (341, 631969), (403, 534743), (1903, 113243), (2249, 95821), (3091, 69719), (3653, 58993), (4433, 48613), (5363, 40183), (8711, 24739)]