39671037

素因数分解:

$3^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 68140800

約数和(自身を除く): 28469763

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 181, 213, 343, 441, 497, 543, 639, 1029, 1267, 1491, 1629, 3087, 3479, 3801, 4473, 8869, 10437, 11403, 12851, 24353, 26607, 31311, 38553, 62083, 73059, 79821, 89957, 115659, 186249, 219177, 269871, 558747, 629699, 809613, 1889097, 4407893, 5667291, 13223679, 39671037]

約数ペア:

[(1, 39671037), (3, 13223679), (7, 5667291), (9, 4407893), (21, 1889097), (49, 809613), (63, 629699), (71, 558747), (147, 269871), (181, 219177), (213, 186249), (343, 115659), (441, 89957), (497, 79821), (543, 73059), (639, 62083), (1029, 38553), (1267, 31311), (1491, 26607), (1629, 24353), (3087, 12851), (3479, 11403), (3801, 10437), (4473, 8869)]