38963187

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 40

約数和(自身を含む): 61332480

約数和(自身を除く): 22369293

約数列:

[1, 3, 9, 27, 31, 59, 81, 93, 177, 263, 279, 531, 789, 837, 1593, 1829, 2367, 2511, 4779, 5487, 7101, 8153, 15517, 16461, 21303, 24459, 46551, 49383, 73377, 139653, 148149, 220131, 418959, 481027, 660393, 1256877, 1443081, 4329243, 12987729, 38963187]

約数ペア:

[(1, 38963187), (3, 12987729), (9, 4329243), (27, 1443081), (31, 1256877), (59, 660393), (81, 481027), (93, 418959), (177, 220131), (263, 148149), (279, 139653), (531, 73377), (789, 49383), (837, 46551), (1593, 24459), (1829, 21303), (2367, 16461), (2511, 15517), (4779, 8153), (5487, 7101)]