40089945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1999}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 73728000

約数和(自身を除く): 33638055

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191, 573, 955, 1337, 1999, 2865, 4011, 5997, 6685, 9995, 13993, 20055, 29985, 41979, 69965, 209895, 381809, 1145427, 1909045, 2672663, 5727135, 8017989, 13363315, 40089945]

約数ペア:

[(1, 40089945), (3, 13363315), (5, 8017989), (7, 5727135), (15, 2672663), (21, 1909045), (35, 1145427), (105, 381809), (191, 209895), (573, 69965), (955, 41979), (1337, 29985), (1999, 20055), (2865, 13993), (4011, 9995), (5997, 6685)]