61947025

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:914

約数の個数: 36

約数和(自身を含む): 90929820

約数和(自身を除く): 28982795

約数列:

[1, 5, 7, 25, 35, 49, 61, 175, 245, 305, 427, 829, 1225, 1525, 2135, 2989, 4145, 5803, 10675, 14945, 20725, 29015, 40621, 50569, 74725, 145075, 203105, 252845, 353983, 1015525, 1264225, 1769915, 2477881, 8849575, 12389405, 61947025]

約数ペア:

[(1, 61947025), (5, 12389405), (7, 8849575), (25, 2477881), (35, 1769915), (49, 1264225), (61, 1015525), (175, 353983), (245, 252845), (305, 203105), (427, 145075), (829, 74725), (1225, 50569), (1525, 40621), (2135, 29015), (2989, 20725), (4145, 14945), (5803, 10675)]