72141009

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 103931520

約数和(自身を除く): 31790511

約数列:

[1, 3, 29, 37, 73, 87, 111, 219, 307, 921, 1073, 2117, 2701, 3219, 6351, 8103, 8903, 11359, 22411, 26709, 34077, 67233, 78329, 234987, 329411, 649919, 829207, 988233, 1949757, 2487621, 24047003, 72141009]

約数ペア:

[(1, 72141009), (3, 24047003), (29, 2487621), (37, 1949757), (73, 988233), (87, 829207), (111, 649919), (219, 329411), (307, 234987), (921, 78329), (1073, 67233), (2117, 34077), (2701, 26709), (3219, 22411), (6351, 11359), (8103, 8903)]