40280499

素因数分解:

$3^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:640

約数の個数: 36

約数和(自身を含む): 68142360

約数和(自身を除く): 27861861

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 241, 379, 441, 723, 1137, 1687, 2169, 2653, 3411, 5061, 7959, 11809, 15183, 18571, 23877, 35427, 55713, 91339, 106281, 167139, 274017, 639373, 822051, 1918119, 4475611, 5754357, 13426833, 40280499]

約数ペア:

[(1, 40280499), (3, 13426833), (7, 5754357), (9, 4475611), (21, 1918119), (49, 822051), (63, 639373), (147, 274017), (241, 167139), (379, 106281), (441, 91339), (723, 55713), (1137, 35427), (1687, 23877), (2169, 18571), (2653, 15183), (3411, 11809), (5061, 7959)]