255569013

素因数分解:

$3^4\times 7^1\times {\mathrm{479}}^1\times {\mathrm{941}}^1$

素因数の和:1439

約数の個数: 40

約数和(自身を含む): 437690880

約数和(自身を除く): 182121867

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 479, 567, 941, 1437, 2823, 3353, 4311, 6587, 8469, 10059, 12933, 19761, 25407, 30177, 38799, 59283, 76221, 90531, 177849, 271593, 450739, 533547, 1352217, 3155173, 4056651, 9465519, 12169953, 28396557, 36509859, 85189671, 255569013]

約数ペア:

[(1, 255569013), (3, 85189671), (7, 36509859), (9, 28396557), (21, 12169953), (27, 9465519), (63, 4056651), (81, 3155173), (189, 1352217), (479, 533547), (567, 450739), (941, 271593), (1437, 177849), (2823, 90531), (3353, 76221), (4311, 59283), (6587, 38799), (8469, 30177), (10059, 25407), (12933, 19761)]