39871839

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 65664000

約数和(自身を除く): 25792161

約数列:

[1, 3, 7, 21, 29, 47, 49, 87, 141, 147, 199, 203, 329, 597, 609, 987, 1363, 1393, 1421, 2303, 4089, 4179, 4263, 5771, 6909, 9353, 9541, 9751, 17313, 28059, 28623, 29253, 40397, 65471, 66787, 121191, 196413, 200361, 271237, 282779, 458297, 813711, 848337, 1374891, 1898659, 5695977, 13290613, 39871839]

約数ペア:

[(1, 39871839), (3, 13290613), (7, 5695977), (21, 1898659), (29, 1374891), (47, 848337), (49, 813711), (87, 458297), (141, 282779), (147, 271237), (199, 200361), (203, 196413), (329, 121191), (597, 66787), (609, 65471), (987, 40397), (1363, 29253), (1393, 28623), (1421, 28059), (2303, 17313), (4089, 9751), (4179, 9541), (4263, 9353), (5771, 6909)]