39941895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20021}}^1$

素因数の和:20055

約数の個数: 32

約数和(自身を含む): 76884480

約数和(自身を除く): 36942585

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 20021, 60063, 100105, 140147, 300315, 380399, 420441, 700735, 1141197, 1901995, 2102205, 2662793, 5705985, 7988379, 13313965, 39941895]

約数ペア:

[(1, 39941895), (3, 13313965), (5, 7988379), (7, 5705985), (15, 2662793), (19, 2102205), (21, 1901995), (35, 1141197), (57, 700735), (95, 420441), (105, 380399), (133, 300315), (285, 140147), (399, 100105), (665, 60063), (1995, 20021)]