271339131

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 423917568

約数和(自身を除く): 152578437

約数列:

[1, 3, 7, 21, 47, 141, 329, 421, 653, 987, 1263, 1959, 2947, 4571, 8841, 13713, 19787, 30691, 59361, 92073, 138509, 214837, 274913, 415527, 644511, 824739, 1924391, 5773173, 12920911, 38762733, 90446377, 271339131]

約数ペア:

[(1, 271339131), (3, 90446377), (7, 38762733), (21, 12920911), (47, 5773173), (141, 1924391), (329, 824739), (421, 644511), (653, 415527), (987, 274913), (1263, 214837), (1959, 138509), (2947, 92073), (4571, 59361), (8841, 30691), (13713, 19787)]