48754209

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 79349760

約数和(自身を除く): 30595551

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 1721, 4047, 5163, 9443, 12047, 28329, 32699, 36141, 98097, 122191, 228893, 366573, 686679, 855337, 2321629, 2566011, 6964887, 16251403, 48754209]

約数ペア:

[(1, 48754209), (3, 16251403), (7, 6964887), (19, 2566011), (21, 2321629), (57, 855337), (71, 686679), (133, 366573), (213, 228893), (399, 122191), (497, 98097), (1349, 36141), (1491, 32699), (1721, 28329), (4047, 12047), (5163, 9443)]