28545657

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2467}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 47385600

約数和(自身を除く): 18839943

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 2467, 3857, 7401, 11571, 17269, 46873, 51807, 71543, 140619, 214629, 328111, 500801, 984333, 1359317, 1502403, 4077951, 9515219, 28545657]

約数ペア:

[(1, 28545657), (3, 9515219), (7, 4077951), (19, 1502403), (21, 1359317), (29, 984333), (57, 500801), (87, 328111), (133, 214629), (203, 140619), (399, 71543), (551, 51807), (609, 46873), (1653, 17269), (2467, 11571), (3857, 7401)]