393386949

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 601302240

約数和(自身を除く): 207915291

約数列:

[1, 3, 9, 27, 67, 81, 173, 201, 419, 519, 603, 1257, 1557, 1809, 3771, 4671, 5427, 11313, 11591, 14013, 28073, 33939, 34773, 72487, 84219, 104319, 217461, 252657, 312957, 652383, 757971, 938871, 1957149, 2273913, 4856629, 5871447, 14569887, 43709661, 131128983, 393386949]

約数ペア:

[(1, 393386949), (3, 131128983), (9, 43709661), (27, 14569887), (67, 5871447), (81, 4856629), (173, 2273913), (201, 1957149), (419, 938871), (519, 757971), (603, 652383), (1257, 312957), (1557, 252657), (1809, 217461), (3771, 104319), (4671, 84219), (5427, 72487), (11313, 34773), (11591, 33939), (14013, 28073)]