39431973

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2671}}^1$

素因数の和:2737

約数の個数: 32

約数和(自身を含む): 64983040

約数和(自身を除く): 25551067

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 2671, 4921, 8013, 14763, 18697, 50749, 56091, 98827, 152247, 296481, 355243, 691789, 1065729, 1877713, 2075367, 5633139, 13143991, 39431973]

約数ペア:

[(1, 39431973), (3, 13143991), (7, 5633139), (19, 2075367), (21, 1877713), (37, 1065729), (57, 691789), (111, 355243), (133, 296481), (259, 152247), (399, 98827), (703, 56091), (777, 50749), (2109, 18697), (2671, 14763), (4921, 8013)]