201212613

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6781}}^1$

素因数の和:6954

約数の個数: 32

約数和(自身を含む): 342897920

約数和(自身を除く): 141685307

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 1099, 1413, 3297, 4239, 6781, 9891, 20343, 29673, 47467, 61029, 142401, 183087, 427203, 1064617, 1281609, 3193851, 7452319, 9581553, 22356957, 28744659, 67070871, 201212613]

約数ペア:

[(1, 201212613), (3, 67070871), (7, 28744659), (9, 22356957), (21, 9581553), (27, 7452319), (63, 3193851), (157, 1281609), (189, 1064617), (471, 427203), (1099, 183087), (1413, 142401), (3297, 61029), (4239, 47467), (6781, 29673), (9891, 20343)]